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NSG 120 - quiz 3 & Midterm (Units 5 And 6) Questions And Answers With Complete Solutions 2025
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NSG 120 - quiz 3 & Midterm (Units 5 And 6) Questions And Answers With Complete Solutions 2025
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NSG 120 - quiz 3 & Midterm (Units 5 And 6)Questions And Answers With Complete Solutions
2025
hyperopia - ANSWER - farsightedness
- light rays focus behind the retina
- eyeball is abnormally short front to back
myopia - ANSWER - nearsightedness
- light rays focus in front of the retina
- eyeball is abnormally long front to back
presbyopia - ANSWER farsightedness caused by loss of elasticity of the lens of
the eye, occurring typically in middle and old age.
diplopia - ANSWER double vision
astigmatism - ANSWER - irregular curvature of cornea or lens
- light rays are distorted
ambylopia - ANSWER - lazy eye
- brain favors one eye over the other
, nystagmus - ANSWER involuntary, jerking movements of the eyes
strabismus - ANSWER - crossed eyes
- eyes do not look in the same direction at the same time
diabetic retinopathy - ANSWER - damage to the blood vessels of the retina as a
complication of uncontrolled diabetes
- loss of sharpness or clarity
- treated with controlling blood sugars or sometimes laser surgery
cataracts - ANSWER - clouding of the lens
- gradual loss of vision
- blurred vision, inability to see in dim light
- treated with replacement of lens
- color fading
macular degeneration - ANSWER - blind spots in central vision
- seeing wavy lines
glaucoma - ANSWER - increased intraocular pressure (IOP)
- most common and preventable loss of vision
- may be acute or chronic
- halos around lights at night
- loss of peripheral vision
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