Otherware/Otherware_1_SB_Development.iso/mac/hypercar/educatio/birdatmy.sit/Bird Anatomy%d0v1.2d/card_3029.txt

Text File | 1989-07-02 | 25.9 KB | 1,221 lines

-- card: 3029 from stack: in.2d
-- bmap block id: 26872
-- flags: 4000
-- background id: 4365
-- name: Eye X-Section


-- part 1 (field)
-- low flags: 81
-- high flags: 0004
-- rect: left=314 top=121 right=143 bottom=441
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Label


-- part 2 (button)
-- low flags: 00
-- high flags: 2000
-- rect: left=436 top=291 right=331 bottom=465
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  set highlight of me to false
  visual wipe right
  go to card "Eye Anatomy-1"
end mouseDown



-- part 3 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=464 top=250 right=277 bottom=498
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Pop
----- HyperTalk script -----
on mouseDown
  set cursor to 4
  show card field "Pop Message"
  wait 2 seconds
  hide card field "Pop Message"
end mouseDown


-- part 4 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=3 top=288 right=340 bottom=237
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 14
-- part name: Pop Message
----- HyperTalk script -----
on mouseDown
  hide me
end mouseDown


-- part 7 (button)
-- low flags: 00
-- high flags: 4002
-- rect: left=73 top=238 right=275 bottom=117
-- title width / last selected line: 0
-- icon id / first selected line: 2478 / 2478
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  set highlight of me to true
  show card field "Eye Note"
end mouseDown



-- part 8 (button)
-- low flags: 00
-- high flags: 2000
-- rect: left=4 top=237 right=282 bottom=59
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  visual wipe right
  go to card "Eye Anatomy-1"
end mouseDown



-- part 10 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=251 top=172 right=246 bottom=291
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "pecten"
end mouseDown



-- part 12 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=318 top=206 right=236 bottom=372
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "Fovea"
end mouseDown



-- part 15 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=208 top=204 right=218 bottom=252
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "pecten"
end mouseDown



-- part 16 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=395 top=31 right=52 bottom=497
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "Eye Note"
end mouseDown


-- part 17 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=414 top=92 right=110 bottom=492
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 19 (button)
-- low flags: 00
-- high flags: 2000
-- rect: left=4 top=237 right=282 bottom=59
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Special
----- HyperTalk script -----
on mouseDown
  if the optionKey is down then
    repeat with x=1 to the number of card fields
      show card field x
    end repeat
  else
    if the shiftKey is down then
      repeat with x=1 to the number of card fields
        send mouseDown to card field x
      end repeat
    else
      set highlight of me to false
      visual wipe right
      go back
    end if
  end if
end mouseDown



-- part 20 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=167 top=139 right=181 bottom=252
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "vitreous"
end mouseDown



-- part 21 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=171 top=184 right=203 bottom=211
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  set lockMessages to true
  set cursor to 4
  show card field "retina"
  wait 15
  visual iris open
  go to card "eye layers"
  set lockMessages to false
end mouseDown



-- part 22 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=183 top=37 right=56 bottom=223
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "cornea"
end mouseDown



-- part 23 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=225 top=61 right=76 bottom=246
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "iris"
end mouseDown



-- part 24 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=282 top=54 right=71 bottom=322
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "pupil"
end mouseDown



-- part 25 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=362 top=54 right=70 bottom=458
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "anterior"
end mouseDown



-- part 26 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=323 top=128 right=147 bottom=412
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ciliary"
  show card field "suspensory"
  show card button "suspensory arrow"
end mouseDown



-- part 27 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=254 top=80 right=119 bottom=315
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "lens"
end mouseDown



-- part 28 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=152 top=260 right=281 bottom=272
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "optic"
end mouseDown



-- part 33 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=91 top=176 right=196 bottom=133
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "sclera"
end mouseDown



-- part 34 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=178 top=128 right=206 bottom=370
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: sclera
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 46 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=321 top=109 right=127 bottom=379
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ciliary"
  show card field "suspensory"
  show card button "suspensory arrow"
end mouseDown



-- part 47 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=189 top=109 right=127 bottom=247
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ciliary"
  show card field "suspensory"
  show card button "suspensory arrow"
end mouseDown



-- part 48 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=384 top=97 right=112 bottom=401
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 49 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=401 top=108 right=123 bottom=418
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 50 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=173 top=94 right=109 bottom=190
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 51 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=159 top=104 right=119 bottom=176
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 52 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=143 top=115 right=130 bottom=160
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ring"
end mouseDown



-- part 53 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=328 top=93 right=107 bottom=353
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ciliary"
  show card field "suspensory"
  show card button "suspensory arrow"
end mouseDown



-- part 54 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=217 top=93 right=107 bottom=242
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "ciliary"
  show card field "suspensory"
  show card button "suspensory arrow"
end mouseDown



-- part 55 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=225 top=75 right=90 bottom=246
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "iris"
end mouseDown



-- part 56 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=316 top=73 right=88 bottom=337
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "iris"
end mouseDown



-- part 57 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=337 top=79 right=94 bottom=358
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "iris"
end mouseDown



-- part 58 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=256 top=66 right=78 bottom=312
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "pupil"
end mouseDown



-- part 59 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=233 top=32 right=47 bottom=327
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "cornea"
end mouseDown



-- part 60 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=303 top=148 right=195 bottom=398
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "vitreous"
end mouseDown



-- part 11 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=260 top=42 right=169 bottom=484
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Pecten
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 35 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=193 top=131 right=223 bottom=393
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: lens
----- HyperTalk script -----
on mouseDown
  hide card field "lens"
end mouseDown



-- part 40 (field)
-- low flags: 81
-- high flags: 2002
-- rect: left=216 top=45 right=69 bottom=365
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: suspensory
----- HyperTalk script -----
on mouseDown
  hide card field "suspensory"
  hide card button "suspensory arrow"
  hide card field "ciliary"
end mouseDown


-- part 43 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=264 top=80 right=172 bottom=445
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: iris
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 44 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=254 top=112 right=188 bottom=453
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: pupil
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 42 (button)
-- low flags: 80
-- high flags: 0000
-- rect: left=319 top=67 right=93 bottom=356
-- title width / last selected line: 0
-- icon id / first selected line: 6724 / 6724
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: suspensory arrow
----- HyperTalk script -----
on mouseDown
  hide card field "suspensory"
  hide card button "suspensory arrow"
  hide card field "ciliary"
end mouseDown


-- part 38 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=193 top=191 right=253 bottom=384
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: optic
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 45 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=341 top=93 right=202 bottom=494
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: anterior
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 37 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=276 top=121 right=201 bottom=445
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: vitreous
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 18 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=269 top=110 right=225 bottom=489
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: ring
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 39 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=173 top=144 right=224 bottom=414
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: ciliary
----- HyperTalk script -----
on mouseDown
  hide card field "suspensory"
  hide card button "suspensory arrow"
  hide card field "ciliary"
end mouseDown



-- part 61 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=182 top=97 right=176 bottom=441
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: cornea
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 62 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=68 top=39 right=95 bottom=184
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name:
----- HyperTalk script -----
on mouseDown
  show card field "Eye Note"
end mouseDown



-- part 14 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=115 top=86 right=274 bottom=432
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Eye Note
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 13 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=68 top=22 right=180 bottom=400
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Fovea
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part 5 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=260 top=31 right=283 bottom=451
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: Help Message
----- HyperTalk script -----
on mouseDown
  hide card field "help message"
end mouseDown



-- part 36 (field)
-- low flags: 81
-- high flags: 2004
-- rect: left=8 top=25 right=201 bottom=174
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 34
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: retina
----- HyperTalk script -----
on mouseDown
  if the shiftKey is down then
    push card
    glossarySearch
  else
    hide me
  end if
end mouseDown



-- part contents for card part 4
----- text -----
Command-Option shows you where the hidden buttons are.

-- part contents for card part 5
----- text -----
Some of the eye cross-section structures are labelled with "pop-up" boxes.

Click on the bird icon to go back to the main menu.

Shift-Click on this button for more general help info.

Close message boxes like this one by clicking on them.

-- part contents for card part 11
----- text -----
The Pecten is a structure unique to the eyes of birds. It projects from the retina into the interior of the eyeball. No one really knows what exactly the pecten does, but many ornithologists think it helps to provide nutients to the eye.

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The fovea of the eye is a central spot on the retina that is used for sharp focus. Birds have two foveal areas: a Temporal fovea that functions when looking forward or with both eyes binocularly, and a Central Fovea, which provides sharp lateral,monocular views. YouΓÇÖve probably seen birds cock their heads sharply as they look at objects around them. What they are doing is switching from one foveal region to another to see an object more clearly.

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Birds have highly developed eyesight. Although most birds see about as well as a person with 20/20 vision they are able to pick out fine detail in a scene and detect movement much more quickly than a human observer can.

Birds have huge eyes relative to the size of their heads. The larger hawks and owls have eyes as large a an adult humanΓÇÖs. Most of a birdΓÇÖs eye is hidden behind the eyelids and roof of the skull, with only a small part showing between the eyelids.


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All birds have a bony sclerotic ring within the tissue of the sclera, surronding the iris and cornea area. This ring is an internal bracing structure that helps support the shape of the eye.

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The sclera forms a tough supportive outer coating for the eyeball. It is composed of strong white connective tissue.

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The retina is the light-sensitive coating on the inside of the eyeball. It is composed of two types of photoreceptors: rods, which are adapted for low-light monochrome vision, and cones, which function best in full light and provide color vision.

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The inner chamber of the eye is filled with a viscous, jelly-like liquid called the Vitreous Humor.

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The optic nerve brings information from the retina to the optic lobes of the brain.

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The ciliary muscles are connected to the suspensory ligaments around the lens, and help change the shape of the lens. This changes the focus of the eye.

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Suspensory Ligaments

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The iris of the eye creates a circular opening in front of the lens that controls the amount of light let into the inner eye chamber.

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The pupil of the eye is the circular opening formed by the iris that lets light into the interior of the eye.

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The Anterior Chamber is the space between the Cornea and the Iris. It is filled with a thin, watery liquid called the Aqueous Humor.

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The lens of the eye is a highly transparent, elastic structure that focuses light rays entering the eye onto the retina on the back wall of the inner eye.

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The cornea is the most anterior part of the scleral coat around the eyeball. It is a highly transparent structure that forms a "window" into the interior of the eye.