Optical Crosses I don't get it. - ppt download

The things we say.. OD - Oculus Dexter OS - Oculus Sinister Right eye OS - Oculus Sinister Left eye OU - Oculus Uniter Both Eyes
Optical Crosses I don’t get it.
Right eye. OS - Oculus Sinister. Left eye. OU - Oculus Uniter. Both Eyes.
Spherical. Spherocylinder. Astigmatism. Simple. Compound. Hyperopic. Myopic. Mixed. Oblique.
What kind of lens is prescribed Myopia, nearsighted. What will the lens cause the light rays to do Diverge.
Minus Spheres OD sphere OS sphere
What happens in a frame with a large eye size Watch thickness. If this is a first prescription, what will the patient notice Objects appear smaller. Patient feels taller.
What kind of lens is prescribed Hyperopic, farsighted. What will the lens cause the light rays to do Converge.
What happens in a frame with a large eye size Watch thinness. If this is a first prescription, what will the patient notice Objects appear larger. Patient feels shorter.
OD – 0.75 x 094 OS – 0.50 x 083. What type of ametrope is this correcting Compound Hyperopic Astigmatism. What kind of lens is this Spherocylinder.
OD – 0.75 x 094 OS – 0.50 x 083. What happens in a frame no eyewire Watch edge thinness. If this is a first prescription, what will the patient notice Objects appear larger. Patient feels shorter.
OD x 004 OS x 178. What type of astigmatism is this Compound Myopic.
OD x 004 OS x 178. Where is the thickest part of each lens 180 degrees. What would you want to do when selecting a frame Center the optical center horizontally.
OD x 005 OS X 175. What type of astigmatism is this Compound Myopic. Where is the light focusing in the eye One on the retina, one in front of the retina.
OD x 005 OS X 175. Where is the thickest part of the lens. 180 line at the edges.
OD – 6.00 x 180 OS – 5.00 x 180. What type of ametrope is this Mixed. Where is the light focusing in the eye One in front and one behind.
OD – 6.00 x 180 OS – 5.00 x 180. Would you fit this patient in an aviator shape frame Where is the thinnest part of the lens. 45 line at the edges.

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