ch 12 refractive errors
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9 Terms
common refractive errors
hyperopia
myopia
hyperopia
visual problem
difficulty seeing near objects
shortened eyeball and a misshaped lens that is less round
when light enters eye focus is behind retina
hyperopia what to look for
over 40
genetics
eye tumor
retinopathy
hyperopia tests
eyestrain after reading for long periods of time
blurred vision
frequent headaches
difficulty seeing at night
in children
frequent headaches
strabismus
rubbing
itching
blinking often
reading difficulties
hyperopia treatment
prescription corrective eyeglasses or contact lenses
LASIK surgery
myopia
visual problem where people cannot see objects far away
most common refractive error
eyeball is too long or cornea is too curved
light entering eye is not focused correctly
myopia what to look for
significant genetic link
long time reading or on computer or other intense close visual work
diabetes
increased visual stress
myopia tests
blurry vision for distant objects
frequent squinting
headaches
difficulty seeing at night while driving
children
squint
need to sit closer to tv
blonk excessively
rub eyes
myopia treatment
prescription corrective eyeglasses or contacts
LASIK surgery