Mod D Unit 3

Front 1

Corneal edema

Back 1

Swelling of the cornea

Front 2

Daily wear

Back 2

Contact in which the lens is inserted each morning and removed each night.

Front 3

Surfactant

Back 3

Solution for cleaning the surface of the contact lens.

Front 4

Trial lens

Back 4

Contacts given to the patient to test vision before finalizing the rx.

Front 5

Disposable contact lens

Back 5

A contact designed to be discarded upon removal from the eye.

Front 6

Eversion

Back 6

To turn the eye lid inside out so that the palpebral conjunctiva can be examined.

Front 7

Extended wear

Back 7

Contact lens wear in which the lenses may be worn continuously, day and night, without removal for a period of up to 7 days.

Front 8

Flare

Back 8

Fluttering or fringing of lights caused by a poor fitting contact lens.

Front 9

Flat cornea

Back 9

A cornea with a K value less than 41.00 diopters.

Front 10

Lateral

Back 10

General anatomic term referring to the side of the eye nearest the temple.

Front 11

Medial

Back 11

General anatomic term referring to the area of the eye nearest the nose.

Front 12

Nasal

Back 12

General anatomic directional term meaning toward the nose.

Front 13

Intermittent wear

Back 13

Not having to adhere to a wearing schedule.

Front 14

Temporal

Back 14

Generic anatomic directional term meaning toward the side of the head.

Front 15

Bifocal contact lens

Back 15

Lens containing two powers, one for near and one for distance.

Front 16

Diffractive lens

Back 16

Contact lens with multiple powers, much like a progressive lens.

Front 17

Annular bifocal

Back 17

The near power is in the peripheral ring, and doesn’t need orientation.

Front 18

Modified monovision

Back 18

Single vision contact for the dominant eye, and bifocal for the other.

Front 19

Cochet-Bonnet Es-thes-iometer

Back 19

Corneal sensitivity test.

Front 20

Keratoconus

Back 20

Cone shaped cornea due to thinning of the cornea.