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4 cards from this section. Quick, good the night before a test.
What is accommodation in the context of the human eye?
Think about how your eyes adjust when looking at something far away versus something close.
What type of lens is used to correct myopia?
Recall how concave lenses diverge light.
What process allows the eye to focus on near and distant objects?
Relate it to how your lens behaves with distance.
Is myopia corrected with a convex lens?
Think about the nature of myopia.
A patient has a near point of 1.5 m and a far point of 6 m. What type of vision defect does this suggest and what should the power of the corrective lens be?
Use the formula for each distance to find the respective focal lengths.
Explain phenomena that govern the apparent position of celestial bodies and their implications on visibility.
Consider how layers of the atmosphere refract light and affect our perspective.
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