- Snellen sign
- the bruit heard with a stethoscope over the closed eye in Graves disease; see also Graves orbitopathy, under orbitopathy.
Medical dictionary. 2011.
Snellen sign
Look at other dictionaries:
Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… … Medical dictionary
Snellen chart etc. — Snel·len chart, etc. (snelґən) [Hermann Snellen, Dutch ophthalmologist, 1834–1908] see under chart, eye, sign, test, and test type … Medical dictionary
Snellen — Hermann, Dutch ophthalmologist, 1834–1908. See S. sign, S. test types … Medical dictionary
Riesman sign — 1. Snellen s. 2. softening of the eyeball in diabetic coma … Medical dictionary
Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… … Wikipedia
Optimum HDTV viewing distance — is the distance that provides the viewer with the optimum immersive visual HDTV experience. Although opinions vary on the exact screen size to distance relationship, formal research and recommendations suggest closer is preferred to further[not… … Wikipedia
Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… … Wikipedia
Neurological examination — Intervention The human nervous system ICD 9 CM … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
HD 209458 b — Extrasolar planet List of extrasolar planets Size comparison of HD 209458 b with Jupiter. Parent star Star … Wikipedia
