Results 11 to 20 of about 1,559,213 (292)
The role of contrast sensitivity charts and contrast letter charts in clinical practice [PDF]
Australasian journal of optometry, The, 1995 Practitioners frequently make clinical decisions based on changes in visual acuity. However, acuity is recognised to be only one aspect of visual performance. In recent years, a number of clinical chart-based tests which measure different aspects of vision based on contrast sensitivity have become available.
Joanne M Wood, Russell L Woods
exaly +3 more sources
Cone letter charts: rapid color test using a range of letter sizes. [PDF]
Graefes Arch Clin Exp Ophthalmol, 2023 Rabin J, Poole E, Hall K, Price W.
europepmc +3 more sources
Assessment of depth perception with a comprehensive disparity defined letter test: A pilot study.
PLoS ONE, 2022 Current clinical tests mostly assess stereopsis with crossed disparity at near. These tests are designed with fine targets (high spatial frequency) and may fail to capture the "functional stereopsis" in real-world scenes, which consist of a range of ...
Wei Hau Lew, Daniel R Coates
doaj +1 more source
Binocular summation in high and low contrast letter acuities
Frontiers in Neuroscience, 2023 Binocular summation, a well-known phenomenon in letter acuity measurement, refers to the improvement in visual performance when viewing with both eyes compared to one eye alone.
Deyue Yu, Emily Watson
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Indian Journal of Ophthalmology, 2012 Iatrogenic keratectasia has been reported subsequent to refractive surgery or trauma. Hexagonal keratotomy (HK) is a surgical incisional technique to correct hyperopia.
Paras Mehta +2 more
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Unilateral conjunctival ulcer due to Stenotrophomonas maltophilia infection
Indian Journal of Ophthalmology, 2012 We report a case of unilateral conjunctival ulcer due to Stenotrophomonas maltophilia infection in an immunocompetent individual. A 44-year-old male presented with complaints of pain and yellowish discharge in the right eye for one week.
Padmamalini Mahendradas +3 more
doaj +1 more source
Journal of Optometry, 2008 Purpose: To quantify the difference between recognition (letter) and resolution (Landolt) visual acuity (VA) in a group of normally sighted subjects. Is it reasonable to assume that the two acuity measures are clinically equivalent?
Jonathan S. Pointer
doaj +1 more source
Floppy iris syndrome with oral imipramine: A case series
Indian Journal of Ophthalmology, 2012 Intraoperative floppy iris syndrome (IFIS) has commonly been seen with long-term use of α1-adrenoceptor blocking agents. We observed IFIS in three patients during phacoemulsification due to oral imipramine therapy.
Arvind Gupta, Renuka Srinivasan
doaj +1 more source
Sphingosine-1 phosphate prevents ethanol-induced corneal epithelial apoptosis
Indian Journal of Ophthalmology, 2012 Background: Apoptosis is a programmed cell death in multicellular organisms, found in a wide variety of conditions, including inflammatory process, everywhere in the body, including the cornea and conjunctiva. Aim: To evaluate the effect of a new topical
Pierre Fournie +5 more
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Alexander Dalrymple (1737-1808), hydrographer to the East India Company and the Admiralty, as publisher: a catalogue of books and charts [PDF]
, 2012 This is a study of the publications and publishing practices of Alexander Dalrymple (1737-1808). Dalrymple was cumulatively a private publisher of nautical charts and plans (from 1767), the ''examiner of ships' journals'' and chart publisher for the ...
Cook, Andrew Stanley
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