Myopia
Images land infant of retina, concave lens, short eye,
Ametrope
someone w a refractive error
Emmetrope
Someone w out a refractive error
Progressive myopia
-6.00D before age 10yrs
Jackson cylinder cross
Locate axis & cylinder power
Retinoscpoy is useful for people who
Are illiterate, hard of communicating, children
Working distance
Distance between yourself and patients eye.
3 steps to retinscopy