University:
Camosun College
Course:
BIOL 252 | Pathophysiology for Nursing 1
Academic year:

2023
Views:

155

Pages:

2
Author:

Aysha A.

Functions of various parts of the eye Parts of the organ 1- sclera (sclerotic) Funefion Protection of eye ball 2. Cornea Act as a transparent cuindow and admits light rays into the eye. 3. conjunctiva Protection of cornea 4. Choroid i) it darkness the cavity of the eyeball Provides nutrition to retina. 5. Iris Regulates the amount of tight entering the eye ball by varying the size of the pupol 6. ciliary body 1) Provides attachment to suspensory ligaments and mis. 7. Retina 1) pigmented layer ii) Nervous layer 8. Lens ⅱ) Secrets aquos humour. Formation of the image of the object increases the light-absorbing Power Road's function. In dim light and form black and white image. cones function în bright light and differentiate Colours. It refracted light rays and brought the image into a sharp focus on Retina. 9. Aquous humour 1) Nutrition to lens and cornea. 1) Give shoep to the eye. tii) supporting the lens. 10) Refracts the light rays. i) Gives Shape to the eye. 10. vitreous humour II. Yellow spot (avea centrali) 12. Pons varoli Foven centralis 18. Optic nerve Day light vision ii) suppor lens iii) Refracts Ught rays Iv) Maintains intra-oculcare formation of magnified Image. Nerve impulses are transmitted from retina to visual men of crebrum.