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CYLINDER = correction only PART of the eye needs; patient has astigmatism ... power is only in one meridian of lens ... OS: +2.75 SPH.
Typology: Exams
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Speaker: Michael Patrick Coleman, COT & ABOC
Have the same power EVERYWHERE in lens… SPHERICAL LENSES (cont.) Have the same power EVERYWHERE in lens… SPHERICAL LENSES (cont.) Form a POINT focus…
SPHERICAL LENSES (cont.)
SPHEROCYLINDRICAL LENSES (cont.)
(this would fix CMA) SPHEROCYLINDRICAL LENSES (cont.) COMPOUND MYOPIC ASTIGMATISM (CMA)
SPHEROCYLINDRICAL LENSES (cont.)
SPHEROCYLINDRICAL LENSES (cont.)
SPHEROCYLINDRICAL LENSES (cont.)
PRESBYOPES NEED ADD POWER (cont.) PRESBYOPES NEED ADD POWER (cont.) PRESBYOPES NEED ADD POWER (cont.) PRESBYOPES NEED ADD POWER (cont.)
WHAT IS UP WITH PRISM?! (cont.) Light going through a PRISM is ALWAYS DEVIATED TOWARD THE BASE! WHAT IS UP WITH PRISM?! (cont.) The IMAGE being viewed through the prism is always deviated toward the APEX! WHAT IS UP WITH PRISM?! (cont.)