lab_5-_the_eye

lab_5-_the_eye - Lab 4: The Eye 1. Examine the external...

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Lab 4: The Eye 1. Examine the external features of the eye.   You may be able to look through the  cornea and see the  iris , the colored part of the eye, and the  pupil , the dark oval in the  middle of the iris. 2. Cut away the fat and muscle. 3. Use a scalpel to make an incision in the cornea. Cut until the clear liquid under the  cornea is released. That clear liquid is the  aqueous humor . It’s made of mostly of water  and keeps the shape of the cornea. 4. Use the scalpel to make an incision through the  sclera  in the middle of the eye. 5. Cut around the middle of the eye, cutting the eye in half. You’ll end up with two  halves. On the front half will be the  cornea .   6. The next step is to pull out the  iris . The iris is between the  cornea  and the  lens . It  may be stuck to the cornea or it may have stayed with the back of the eye. You can see  that there’s a hole in the center of the iris. That’s the  pupil , the hole that lets light into 
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This note was uploaded on 03/01/2009 for the course PSC 121 taught by Professor Henry during the Spring '08 term at UC Davis.

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lab_5-_the_eye - Lab 4: The Eye 1. Examine the external...

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