Term
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Definition
| magnification of 10-40 times the rel image, it shines light in different parts of the eye and it can evaluate cataracts by changing the angle of the light |
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Term
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Definition
| can be used to identify orbital tumors, retinal detachment, vitreous hemorrhage and changesin tissue compisition with minimal discomfort for the patient |
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Term
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Definition
| it ids macular degeneration, in invasive procedure in which dye is injected with in 10-15 sec dye can be seen threw retinal vessels, over 10 min period black and white photos are taken,the dye may cause yellowish skin color but will go away with in 24 hours |
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Term
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Definition
| growth of abnormal new blood vessels |
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Term
| Indocyanine green angiography |
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Definition
| used to eval the abnormalities in the choroidal vasculature, it is when dye is injected IV and multiple images are captured using digital videoangiography over a period of 30 sec to 20mins, some pt may have nausea, vometing, allergic reactions are rare,do not give to pt with iodine reactions |
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Term
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Definition
| determines the IOP (inter Occular Pressure) by determining the pressure necessary to indent or flatten sa small anterior area of the globe of the eye.pressure is measured in mm, it is non invasive and painless a eye drop is installed on the lower conjunctival sac |
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Term
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Definition
| lens looses its elascity due to aging |
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Term
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Definition
| nearsighted, blurred distance vision |
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Term
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Definition
| farsighted, blurred near vision |
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Term
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Definition
| irregularity in the curve of th cornea |
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Term
| photorefractive keratomy (prk) |
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Definition
| laser surgery for myopia and hyperopia with or with out atigmatism, corrects corneal complication for other surgery for myopia, reshapes cornea to focus an image, |
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Term
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Definition
| hazy vision, light sensitivity tearing, pupil enlargement reduced night vision,cornial clouding, under or overcorrection, IOP, chronic dry eye, glare |
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Term
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Definition
| improvement from prk, removes the stromal layer via a flap rhshapes deeper layers of the cornea then replaces the flap, causes less post op discomfort and fewer side effects and safer than PRK, bandage placed over th cornea to promote healing and reduce pain |
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Term
| lasik surgery complication |
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Definition
| corneal surface irregularities diplopia or ghost images, halos, glareand decreased visual acuity diffuse lamellar keratitis |
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Term
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Definition
| epithelium, bowmans membrane,stroma, descemets membrane, endothelium |
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Term
| phakic intraocular lenses |
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Definition
| enhances vision for near sightedness,shapes the cornea is chanded by placing a flexible ring in the outer edges of the cornea |
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Term
| Phakic intraocular lenses side effects |
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Definition
| over or under correction, however remaoval replacement or adjustment of the ring tightness can enhances satification,risk for corneal clouding or scarring is lower than with other surgeries |
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Term
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Definition
| acute infection of the glands of the eyelid caused by staphlococcous aureus |
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Term
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Definition
| sterile inflammatory process of the sevacous gland in the eyelid of upper or lower eyelids |
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Term
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Definition
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Term
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Definition
| inflmation of the sebaceous glands and lash follicles of the edges of eyelids |
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Term
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Definition
| inflamation of the conjunctiva (pink eye) most common eye infection |
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