1. Recalling your VL on vision-color blindness, how do we interpret the degree of color blindness of your patient? How about whether the patient has red or green color blindness?
2. What structure is malfunctioning in someone who is colorblind?
3. Review your VL on vision and testing for extraocular muscles of the eye and its nerves. Review the table about the nerve innervation of each muscle and the muscle movements.
4. Recall your VL on vision, what happens to the right and left eye when you move the pen to different positions (forehead, nose, right side, left side, chin)?
5. What are the 3 mechanisms that are responsible for focusing the image in the eye when viewing objects closer than 20 feet away? (HINT: Can be found in the VL on vision introduction.)
6. What is the direct light reflex? What is the consensual light reflex? Give an example.
7. Review your VL on vision - What happens to the pupils in a darker room? How about in a brighter room or when you shine a penlight into it? What happens to the pupil when you move a pen closer to your patient's face? How about when you move a pen farther from your patient's face?
8. Review VL on vision, what are the possible diopters for normal vision? How about a diopter for farsightedness and nearsightedness?
9. What shape of lens is used to correct hyperopia, myopia, and astigmatism?
10. What is refraction?
11. What is refractive power?
12. Compare and contrast hyperopia, myopia, emmetropia, and astigmatism. What are the main problems in each condition? Do farsighted people see better in the far distance?
13. What is the Snellen Chart? What do the numbers 20/30, 20/20, etc., stand for? Give an example. Can you use the Snellen Chart in a child between 3-5 years of age? If yes, how? Please explain.
14. What is LASIK?
15. What muscles are responsible for pupillary constriction? How about dilation? Which one is sympathetic? Which one is parasympathetic? HINT: Remember your fight and flight, when a mountain lion chases you, will your pupil constrict or dilate?
