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17.5 Ophthalmology
Medical Procedures of the EYE
| Term | Definition |
|---|---|
| fluorescein angiography | intravenous injection of flourescein (a dye) followed by serial photographs of the retina through dilated pupils. |
| ophthalmoscopy | visual examination of the interior of the eye. |
| slit lamp microscopy | examination of anterior ocular structures under microscopic magnification. |
| visual acuity test | clarity of vision is assessed. |
| visual field test | measures the area within which objects are seen when the eyes are fixed,looking straight ahead without movement of the head. |
| enucleation | removal of the entire eyeball. |
| keratoplasty | surgical repair of the cornea. |
| laser photocoagulation | intense, precisely focused light beam (argon laser) creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels. |
| lasik | use of an excimer laser to correct errors of refraction (myopia,hyperopia, and astigmatism). |
| phacoemulsification | ultrasonic vibrations break up the lens, which then is aspirated through the ultrasonic probe. |
| scleral buckle | suture of a silicone band to the sclera over a detached portionof the retina. |
| vitrectomy | removal of the vitreous humor. |