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Other disc findings may include notching of the disc, or flame/splinter hemorrhages, which are located in the outer nerve layer. [8] Cataracts: An often age-related condition that leads to gradual vision loss secondary to clouding of the lens. Examination may reveal opacification of the lens and often an absent or blunted red reflex.
They are used to denote clinical conditions, examination techniques and findings, and various forms of treatment. Eye examination terms ... Cataract: CLAPC/CLIPC
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [1] [7] Cataracts often develop slowly and can affect one or both eyes. [1] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night. [1]
This type of ophthalmoscope is most commonly used during a routine physical examination. The pan-ophthalmoscope has a larger primary lens with a variable focusing, allowing for a wider field-of-view. Indirect ophthalmoscopy uses the indirect ophthalmoscope, an instrument that has a light attached to a headband, in addition to a small handheld lens.
Eye examination with the aid of a slit lamp. Side view of a slit lamp machine. Cataract in human eye: magnified view seen on examination with the slit lamp. In ophthalmology and optometry, a slit lamp is an instrument consisting of a high-intensity light source that can be focused to shine a thin sheet of light into the eye.
Findings that can be identified with fundoscopic examination include different types of retinal hemorrhages and vitreous hemorrhages, neovascularization, cotton wool spots, drusen, changes in the caliber or shape of the retinal blood vessels, chanegs in optic nerve color and shape, changes in the retinal pigmented epithelium (RPE), uveal nevus ...
There are two techniques used to assess the red reflex listed below. Both are noninvasive, inexpensive, and quick. Dilation of the eyes is unnecessary and not recommended due to the theoretical but rarely seen risks of sympathomimetics and antimuscarinic systemic effects – tachycardia (fast heart rate), hypertension (high blood pressure), and arrhythmia (abnormal heart rhythm).
Practical instruments for fundus photography perform the following modes of examination: Colour, where the retina is illuminated by white light and examined in full colour. Red free fundus photography utilizes a filter in order to better observe superficial lesions and some vascular abnormalities within the retina and surrounding tissue. A ...
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