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Contact Term 4
| Question | Answer |
|---|---|
| Dendritic Keratitis | fernlike projection on the cornea from herpes simplex |
| Depth Perception | ability to perceive the solidarity of objects and their relative position in space; also called stereoscopic vision |
| Detached Retina | Complete or partial separation of the retina from choroid |
| Dimple Veiling | Air bubbles that develop beneath a contact lens that cause small indentations in the corneal epithelium |
| Diopter | Unit of measure of strength or refractive power of lenses |
| Diplopia | seeing of one object as two |
| Distichiasis | Lashes growing from the openings of meibomian glands |
| Dk/l | Amount of oxygen transmission per unit thickness of a contact lens |
| Dyslexia | difficulty in reading either in recognition of letters or interpretation in spite of good vision in either eye |
| Dystrophy | Abnormal or defective development; degeneration |
| Endophthalmitis | Sinking of the eyeball into the orbit |
| Entropian | Turning inward of the eye |
| Ecchymosis | Bleeding into the tissues, resulting in discoloration under the skin; a bruise |
| Ectropion | An eversion or turning outward of the eyelid |
| Emmetropia | Refractive condition of the normal eye; when eye is at rest, the image of distant objects is brought to a focus on the retina |
| Enucleation | Complete surgical removal of the eyeball |
| Eviseration | Removal of an eyeballs contents; leaving the scleral shell and sometimes the cornea intact. Usually for reducing pain to a blind eye. |
| Exophthalmos | Abnormal protrusion of the eyeball |