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20 Cards in this Set
- Front
- Back
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Rapid adaptation |
Lenses are easily adapted to and can be worn 8-12 hours within a week |
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Paprebral fissure |
Space of lid opening in the vertical meridian |
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Silicone acrylate |
Silicone material used to make hard contacts more gas permeable |
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Visual astigmatism |
The dioptric power in the cylinder of the Rx |
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Corneal astigmatism |
The difference of the two curves or the k readings of the cornea |
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Residual astigmatism |
The amount of the astigmatism that is left over in the eye after corneal astigmatism has been corrected |
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CPC |
Central posterior curve also known as base curve |
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IPC |
Intermediate posterior curve |
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PPC |
Peripheral posterior curve |
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OZ |
Optical zone, where the power of the lens is located |
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Overall diameter |
The measurement in mm from edge to opposite edge of a contact lens. |
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Piggy back method |
A soft lens on the cornea with a hard lens riding on the soft lens |
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Exophthalmos |
Protrusion of the eyeball, associated with graves disease or hyperthyroid |
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Lid attachment lens |
A larger 8.5 to 10.5 mm flatter lens that sits under the superior lid |
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Halos |
Glowing around lights due to corneal edema |
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DMV device |
Small suction cup used to help remove hard contact lens |
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Punctum |
Small tear drainage hole in the medial lower lid |
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Viscosity |
Refer to the thickness and lubrication of drops or medicarions |
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Asepsis |
Absence of bacteria |
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Pseudomonas aeruginosa |
Microorganism found in saliva that can cause blindness |
