QUESTIONS AND CORRECT
DETAILED ANSWERS
(VERIFIED ANSWERS)
WITH ILLUSTRATION IMAGES
1. Orthoptist
Person who gives training for ocular muscle imbalances
2. Opthalmoscope
Illuminates and inspects the interior of the eye
3. Keratometer
Measures curvature of the cornea
4. Tonometer
Measures intraocular pressure
, 5. Optic chiasm
Where the optic nerves from each eye cross and are recombined
6. Occipital lobe
Portion of the brain where Vision occurs
7. Extraocular muscles
Assists in eye movement
8. Canthus
Juncture of the upper and lower eye lids
9. Average eye size
1 1/8 inches long
10. Blind spot
Positioned on the point where the optic nerve leaves the globe
11. Cones
, Color receptors of the retinal, Normal illumination/day Vision
receptors, Photophobic receptors
12. Rods
Receptors for peripheral, scotopic and black and white Vision
13. Macula
Positioned on the retina
14. Crystalline lens
Filters UV rays, just behind the pupil, focuses light on the retina
15. Nodal point
In a normal eye, this is situated on the visual axis near the posterior
surface of the lens
Extrinsic muscles
Have tendons inserted into the sclera and tenons capsule
Optic axis
Passes thru the posterior pole of the globe and the anterior pole of the
cornea
3-5 mm
Average pupil size under normal lighting conditions
Limbus
Junction of the cornea and the sclera
Aqueous Humor
Constantly being replaced, produced by the cicialry processes
Esophoria