Why do some people require bifocals as they age

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Reference no: EM134038532

Questions:

1. What eye abnormalities can be observed through an ophthalmoscope?

2. Say you need to use the +2 diopter lens to focus on your lab partner's retina. What does this tell you about his/her vision?

3. When light is shined into one eye, the pupils of both eyes tend to constrict (this is called a consensual response). Why does this happen? Use the lecture content to help answer this question!

4. Why do some people require bifocals (or even trifocals) as they age?

5. We refer to a blind spot when driving. Compare the driving blind spot to the blind spot for vision you observed in this lab. Are they the same, or different?

6. Explain why a person with brain damage may be able to see perfectly well, but not recognize faces.

Reference no: EM134038532

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