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6,300
DQ_012374
vision and the eye
What part is in between the cornea and the pupil?
human_system_eye_6122.png
question_images/human_system_eye_6122.png
Diagram Multiple Choice
a. lens, b. cilliary muscle, c. aqueous humour, d. retina
c
6,301
DQ_012375
vision and the eye
How many parts of the eye are shown?
human_system_eye_6122.png
question_images/human_system_eye_6122.png
Diagram Multiple Choice
a. 14, b. 17, c. 16, d. 20
c
6,302
DQ_012376
vision and the eye
How many parts of the eye does light pass through?
human_system_eye_6122.png
question_images/human_system_eye_6122.png
Diagram Multiple Choice
a. 2, b. 4, c. 5, d. 3
b
6,303
DQ_012377
vision and the eye
What is the area in blue called?
human_system_eye_6122.png
question_images/human_system_eye_6122.png
Diagram Multiple Choice
a. iris, b. retina, c. pupil, d. lens
d
6,304
DQ_012378
vision and the eye
Which is the outermost part of eye?
human_system_eye_6122.png
question_images/human_system_eye_6122.png
Diagram Multiple Choice
a. Lens, b. Pupil, c. Iris, d. Cornea
d
6,305
DQ_012379
vision and the eye
What is the thin layer that covers the back of the eye?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. ciliary body, b. sclera, c. choroid, d. retina
d
6,306
DQ_012380
vision and the eye
What is the coloured part of the eye called?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. Iris, b. Cornea, c. Lens, d. Pupil
a
6,307
DQ_012381
vision and the eye
Light sensitive layer that surrounds the Vitreous humor and lies under the choroid
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. Iris, b. Cornea, c. Retina, d. Pupil
c
6,308
DQ_012382
vision and the eye
How many centers of visual field are there in the eye?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. 3, b. 1, c. 6, d. 2
b
6,309
DQ_012383
vision and the eye
How many parts of the eye does light go through before reaching the lens?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. 3, b. 4, c. 1, d. 2
a
6,310
DQ_012384
vision and the eye
What is between the pupil and the vitreous humor?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. lens, b. retina, c. fovea, d. choroid
a
6,311
DQ_012385
vision and the eye
What is the part of the eye commonly known as the white and forms the supporting wall of the eyeball, and is continuous with the clear cornea?
human_system_eye_6123.png
question_images/human_system_eye_6123.png
Diagram Multiple Choice
a. Choroid, b. Sclera, c. Retina, d. Ciliary Body
b
6,312
DQ_012386
vision and the eye
What is the small film protecting the back of the eye called?
human_system_eye_6124.png
question_images/human_system_eye_6124.png
Diagram Multiple Choice
a. Iris, b. Choroid, c. Ciliary Body, d. Retina
d
6,313
DQ_012387
vision and the eye
Which is the name of the nerve of the eyes?
human_system_eye_6124.png
question_images/human_system_eye_6124.png
Diagram Multiple Choice
a. retina, b. optic nerve, c. iris, d. cornea
b
6,314
DQ_012388
vision and the eye
How many parts of the eye are between the vitreous body and the cornea?
human_system_eye_6124.png
question_images/human_system_eye_6124.png
Diagram Multiple Choice
a. 11, b. 1, c. 3, d. 5
d
6,315
DQ_012389
vision and the eye
How many parts of the eye are shown?
human_system_eye_6124.png
question_images/human_system_eye_6124.png
Diagram Multiple Choice
a. 9, b. 8, c. 11, d. 10
c
6,316
DQ_012390
vision and the eye
What is the front outer most structure?
human_system_eye_6124.png
question_images/human_system_eye_6124.png
Diagram Multiple Choice
a. Sclera, b. Cornea, c. Iris, d. Lens
b
6,317
DQ_012391
vision and the eye
Identify the first layer of the eye.
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. Cornea, b. Choroid, c. Sclera, d. Ciliary Body
a
6,318
DQ_012392
vision and the eye
What is the opening in the center of the eye through which light passes?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. Iris, b. Cornea, c. Pupil, d. Lens
c
6,319
DQ_012393
vision and the eye
What is holding the Lens in place?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. Pupil, b. Iris, c. Cornea, d. Suspensory Ligament
d
6,320
DQ_012394
vision and the eye
What part of the eye does light pass through first?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. sclera, b. iris, c. cornea, d. retina
c
6,321
DQ_012395
vision and the eye
How many parts make up the human eye?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. 10, b. 8, c. 7, d. 13
d
6,322
DQ_012396
vision and the eye
How many parts of the eye is being identified in the diagram?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. 13, b. 10, c. 12, d. 11
a
6,323
DQ_012397
vision and the eye
What lies between the Retina and the Sclera?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. Iris, b. Choroid, c. Fovea centralis, d. Lens
b
6,324
DQ_012398
vision and the eye
Which part is the outermost part of the eye?
human_system_eye_6125.png
question_images/human_system_eye_6125.png
Diagram Multiple Choice
a. ciliary body, b. iris, c. cornea, d. pupil
c
6,325
DQ_012399
vision and the eye
What part of the eye is differently colored between people?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. Pupil, b. Cornea, c. Iris, d. Lens
a
6,326
DQ_012400
vision and the eye
In the diagram below which part of the eye consists of light-sensing cells called rods and cones?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. Iris, b. Pupil, c. Retina, d. Cornea
c
6,327
DQ_012401
vision and the eye
What is between the lens and the optic nerve?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. Choroid, b. Vitreus body, c. Cornea, d. Sclera
b
6,328
DQ_012402
vision and the eye
What is the opening in the center of the eye called?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. optic nerve, b. pupil, c. macula, d. choroid
b
6,329
DQ_012403
vision and the eye
How many eyes do we have?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. 2, b. 1, c. 3, d. 4
a
6,330
DQ_012404
vision and the eye
How many layers does the eyeball have?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. 6, b. 5, c. 11, d. 4
d
6,331
DQ_012405
vision and the eye
What is right next to the pupil?
human_system_eye_6126.png
question_images/human_system_eye_6126.png
Diagram Multiple Choice
a. sclera, b. choroid, c. optic nerve, d. lens
d
6,332
DQ_012406
vision and the eye
Which part of the eye consists of special light-sensing cells called rods and cones?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. Lens, b. Iris, c. Retina, d. Sclera
c
6,333
DQ_012407
vision and the eye
Which part controls the diameter and size of pupil?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. Retina, b. Cornea, c. Iris, d. Lens
c
6,334
DQ_012408
vision and the eye
Light sensitive layer that surrounds the Vitreous humor and lies under the sclera
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. Cornea, b. Pupil, c. Retina, d. Iris
c
6,335
DQ_012409
vision and the eye
What is the innermost part of the eye called?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. Retina, b. Vitreous, c. Pupil, d. Iris
b
6,336
DQ_012410
vision and the eye
How many parts of the eye are shown in the diagram?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. 7, b. 5, c. 6, d. 4
a
6,337
DQ_012411
vision and the eye
How many parts of the eye are shown in this diagram?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. 3, b. 7, c. 8, d. 5
b
6,338
DQ_012412
vision and the eye
What is the largest area called?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. Cornea, b. Vitreous, c. Retina, d. Iris
b
6,339
DQ_012413
vision and the eye
What opening does light pass through to get to the lens?
human_system_eye_6127.png
question_images/human_system_eye_6127.png
Diagram Multiple Choice
a. retina, b. sclera, c. vitreous, d. pupil
d
6,340
DQ_012414
vision and the eye
Identify the pupil.
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. 5, b. 4, c. 1, d. 3
b
6,341
DQ_012415
vision and the eye
What part fine-tunes the focus so an image forms on the back of the eye?
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. 5, b. 4, c. 3, d. 2
b
6,342
DQ_012416
vision and the eye
Light sensitive layer that surrounds the Vitreous humor and lies under the choroid
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. 10, b. 5, c. 2, d. 8
a
6,343
DQ_012417
vision and the eye
Which one of these structures is the cornea?
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. 4, b. 7, c. 2, d. 3
c
6,344
DQ_012418
vision and the eye
Identify parts of the eye
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. 2, b. 3, c. 13, d. 6
c
6,345
DQ_012419
vision and the eye
What is the part labelled '2' called?
human_system_eye_6129.png
question_images/human_system_eye_6129.png
Diagram Multiple Choice
a. ciliary muscle, b. cornea, c. iris, d. lens
b
6,346
DQ_012420
vision and the eye
Where is the pupil?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. Behind the cornea, b. Before the Choroid, c. Over the iris, d. Below optic nerve
a
6,347
DQ_012421
vision and the eye
On what part of the eye the light form an object passes through?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. Iris, b. Cornea, c. Choroid, d. Lens
b
6,348
DQ_012422
vision and the eye
Part of the eye that is in between the iris and the pupil
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. cornea, b. lens, c. macula, d. choroid
b
6,349
DQ_012423
vision and the eye
How many parts make up the front of the eye?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. 1, b. 6, c. 2, d. 4
b
6,350
DQ_012424
vision and the eye
How many parts of the eye are shown?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. 11, b. 9, c. 8, d. 10
a
6,351
DQ_012425
vision and the eye
What is right next to the cornea?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. anterior chamber, b. iris, c. lens, d. pupil
a
6,352
DQ_012426
vision and the eye
Where does the light reflected from an object passes first in a human eye?
human_system_eye_6130.png
question_images/human_system_eye_6130.png
Diagram Multiple Choice
a. Iris, b. Cornea, c. Pupil, d. Anterior Chamber
b
6,353
DQ_012427
vision and the eye
What is the transparent outer covering that protects the eye?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. Retina, b. Lens, c. Optic nerve, d. Cornea
d
6,354
DQ_012428
vision and the eye
Where is the retina located?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. Surrounding the macula, b. Surrounding the iris, c. Surrounding the vitreous gel, d. Surrounding the pupil
c
6,355
DQ_012429
vision and the eye
Which part of the eye focuses light on the back of the eye?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. Cornea, b. Lens, c. Iris, d. Vitreous gel
b
6,356
DQ_012430
vision and the eye
Light sensitive layer that surrounds the Vitreous gel and lies under the choroid
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. Macula, b. retina, c. Cornea, d. Iris
b
6,357
DQ_012431
vision and the eye
Which layer of the eye does the light pass through first?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. pupil, b. optic nerve, c. cornea, d. iris
c
6,358
DQ_012432
vision and the eye
How many parts of the eye are located behind the lens?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. 1, b. 2, c. 9, d. 5
d
6,359
DQ_012433
vision and the eye
The pupil is located in the center of which eye structure?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. Optic nerve, b. Iris, c. Lens, d. Cornea
b
6,360
DQ_012434
vision and the eye
What is between the pupil and the vitreous gel?
human_system_eye_6131.png
question_images/human_system_eye_6131.png
Diagram Multiple Choice
a. fovea, b. macula, c. lens, d. optic nerve
c
6,361
DQ_012435
vision and the eye
What is the transparent outer covering of the eye called?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. Cornea, b. Pupil, c. Optic nerve, d. Iris
a
6,362
DQ_012436
vision and the eye
What does the optic nerve do?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. Hear, b. Think, c. Send signals to brain, d. See
c
6,363
DQ_012437
vision and the eye
What is the outermost part of the eye?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. Retina, b. Pupil, c. Optix Nerve, d. Cornea
d
6,364
DQ_012438
vision and the eye
How many components make up the human eye?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. 10, b. 9, c. 12, d. 11
a
6,365
DQ_012439
vision and the eye
How many parts of the eye are shown?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. 7, b. 10, c. 9, d. 8
b
6,366
DQ_012440
vision and the eye
What is the largest area of the eyeball called?
human_system_eye_6132.png
question_images/human_system_eye_6132.png
Diagram Multiple Choice
a. Pupil, b. Optic nerve, c. iris, d. Vitreous gel
d
6,367
DQ_012441
vision and the eye
What is the purpose of the retina?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. This is where the image of the object normally forms, b. It carries the nerve impulses to the brain, c. focuses the light on the back of the eye, d. protective covering on the outside of the eye
a
6,368
DQ_012442
vision and the eye
Apart from the cornea, what's the name of the outermost layer around the figure in the diagram?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. Macula, b. Cornea, c. Iris, d. Sclera
d
6,369
DQ_012443
vision and the eye
What is in contact with the Vitreous Body?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. Sclera, b. Lens, c. Cornea, d. Iris
b
6,370
DQ_012444
vision and the eye
How many parts of the eye are shown in the diagram?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. 6, b. 8, c. 9, d. 7
c
6,371
DQ_012445
vision and the eye
How many parts of the eye are shown?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. 7, b. 5, c. 6, d. 8
d
6,372
DQ_012446
vision and the eye
What is the large empty part of the eye?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. retina, b. cornea, c. vitreous body, d. iris
c
6,373
DQ_012447
vision and the eye
What is the outer layer in the cross section of eye?
human_system_eye_6133.png
question_images/human_system_eye_6133.png
Diagram Multiple Choice
a. lens, b. pupil, c. cornea, d. iris
c
6,374
DQ_012448
vision and the eye
Identify which is located right behind the pupil.
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. Retina, b. Lens, c. Cornea, d. Optic Nerve
b
6,375
DQ_012449
vision and the eye
Light sensitive layer that surrounds the Vitreous humor and lies under the choroid
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. Retina, b. Pupil, c. Cornea, d. Sclera
a
6,376
DQ_012450
vision and the eye
How many parts of the eye does light passes through?
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. 1, b. 4, c. 3, d. 2
c
6,377
DQ_012451
vision and the eye
How many structures make up the inside of the eye?
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. 11, b. 5, c. 6, d. 3
b
6,378
DQ_012452
vision and the eye
How many parts of the eye are labeled?
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. 14, b. 22, c. 11, d. 1
c
6,379
DQ_012453
vision and the eye
What if the lens is removed?
human_system_eye_6134.png
question_images/human_system_eye_6134.png
Diagram Multiple Choice
a. can focus on particular distance, b. can't focus on object in a particular distance, c. vision will be dark, d. cannot project image
b
6,380
DQ_012454
vision and the eye
Which is the clear, protective covering on the outside of the eye that light passes through first?
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. Iris, b. Pupil, c. Cornea, d. Retina
c
6,381
DQ_012455
vision and the eye
Where light enters the eye.
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. Sclera, b. Cornea, c. Optic nerve, d. Pupil
d
6,382
DQ_012456
vision and the eye
What is the colored part of the eye called?
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. sclera, b. pupil, c. iris, d. cornea
c
6,383
DQ_012457
vision and the eye
Where does light pass through after the cornea?
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. crystalline lens, b. pupil, c. ciliary zonule, d. iris
b
6,384
DQ_012458
vision and the eye
How many parts does the human eye have?
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. 9, b. How many parts does the human eye have?, c. 11, d. 12
b
6,385
DQ_012459
vision and the eye
What happens when images focus in front of the retina because the eyeball is too long
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. People with myopia can see nearby objects clearly, but distant objects appear blurry., b. vision will be clear, c. nearby objects become blurry, d. far objects are clear
a
6,386
DQ_012460
vision and the eye
What is between the pupil and the vitreous body?
human_system_eye_6135.png
question_images/human_system_eye_6135.png
Diagram Multiple Choice
a. crystalline lens, b. optic nerve, c. choroid, d. sclera
a
6,387
DQ_012461
vision and the eye
It is where the image of an object normally forms.
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. macula, b. iris, c. retina, d. cornea
c
6,388
DQ_012462
vision and the eye
Which part is behind the iris?
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. Retina, b. Lens, c. Sclera, d. Choroid
b
6,389
DQ_012463
vision and the eye
Light sensitive layer that surrounds the Vitreous humor and lies under the choroid
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. Lens, b. Retina, c. Ciliary Body, d. Pupil
b
6,390
DQ_012464
vision and the eye
Which structure sends the image formed by the eye to the brain?
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. Iris, b. Pupil, c. Retina, d. Optic Nerve
d
6,391
DQ_012465
vision and the eye
How many parts of the eye are identified in the diagram?
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. 13, b. 14, c. 12, d. 15
d
6,392
DQ_012466
vision and the eye
Light enters the eye through this.
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. Conjunctiva, b. Choroid, c. Retina, d. Pupil
d
6,393
DQ_012467
vision and the eye
What's inside the macula?
human_system_eye_6136.png
question_images/human_system_eye_6136.png
Diagram Multiple Choice
a. aqueous humour (watery fluid), b. vitrous humour (clear jelly), c. conjuctiva, d. pupil
b
6,394
DQ_012468
vision and the eye
Where does the image of the outside world form in the eye?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. Retina, b. Cornea, c. Macula, d. Iris
a
6,395
DQ_012469
vision and the eye
Where does light pass through after the pupil?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. lens, b. eyelid, c. macula, d. cornea
a
6,396
DQ_012470
vision and the eye
What is the name of the hole located inside the Iris?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. Cornea, b. Eyelid, c. Pupil, d. Retina
c
6,397
DQ_012471
vision and the eye
What is the part of the eye that shows eye color?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. Retina, b. Iris, c. Pupil, d. Cornea
b
6,398
DQ_012472
vision and the eye
How many parts is the front side of the eye made of?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. 5, b. 3, c. 2, d. 1
a
6,399
DQ_012473
vision and the eye
Which part of this diagram protects the eye?
human_system_eye_6137.png
question_images/human_system_eye_6137.png
Diagram Multiple Choice
a. eyelid, b. macula, c. cornea, d. iris
a