NURS 125 Lecture Notes - Lecture 8: Snellen Chart, Hypertropia, Uveitis
12 Feb 2019
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Iritis: i nflammation of the iris and behind the eyes, causing pinpoint pupils that are not bilateral. Visual acuity: measures cn ii, uses snellen chart. *patient should wear any necessary devices (e. g. glasses, contacts) when doing the snellen test, so adjustments can be made on current accommodations if needed. Cover test: covering eyes to see if deviated eyes move inward/downward/inward back to normal position. Diabetic retinopathy - tunnel vision or half of vision appears dark, can occur in those suffering from type ii diabetes. Use ophthalmoscope use dominant hand to hold hold patient"s forehead. Move diagonally towards patient tell them to look at a point directly above your shoulder. Retinoblastoma : one eye does not give off the red reflex in response to the ophthalmoscope. Many visual changes occur at this time. White pupil: red flag, indication of a cancer in the eye (retinoblastoma) Sclera colour - darker skinned individuals often have darker spots within their sclera.
