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, 1999) but also when considered in the context of type and degree of ametropia (Peters, 1961) and direction of any corrective shift (habitual to optimal) in the refractive provision (Atchison et?al., 1979). Nevertheless, taken together with the previous paper (Pointer, 2008) this material (to the author��s knowledge) is, in the present era of evidence-driven clinical decision making (O��Leary and Evans, 2003), the first to indicate the quantitative difference that an optometric intervention might produce across a typical clinical population. It should remain a clinical imperative, be it in the ophthalmic consulting room or the vision research laboratory, that best acuity should always be sought for the individual by making even small adjustments http://www.selleckchem.com/products/Adriamycin.html to constituent elements of the optical prescription. This accords with opinions voiced previously (Rabin, 1996; Miller et?al., 1997; Atchison et?al., 2001) regarding the desirability of direct remedial action to minimise refractive blur. ""Citation information: Myint J, Edgar DF, Kotecha A, Murdoch IE & Lawrenson JG. A national survey of diagnostic tests reported by UK community optometrists for the detection of chronic open angle glaucoma. Ophthalmic Physiol Opt 2011, 31, 353�C359. doi: 10.1111/j.1475-1313.2011.00844.x Purpose:? In the UK, the majority of cases of chronic open angle glaucoma are detected by http://www.selleckchem.com/products/DAPT-GSI-IX.html community optometrists following a routine sight test. However, there is potential for variability in case finding strategies used. The aim of this study was to carry out a national web-based survey to determine current diagnostic tests used by optometrists in glaucoma case finding. Methods:? Optometrists on the Association of Optometrists (AOP) electronic database were invited to participate. The http://www.selleck.cn/products/dabrafenib-gsk2118436.html survey was open for 16?weeks between April and July 2008. Results:? A total of 1875 optometrists were eligible to enter the survey, of which 1264 answered the questions relating to diagnostic equipment. Respondents were asked to indicate their usual method of examining the optic nerve head. Direct ophthalmoscopy only was used by 25% with the majority (62%) using a combination of direct and slit-lamp binocular indirect methods. The vast majority of optometrists (78%) used non-contact tonometry to measure intraocular pressure, with only 16% routinely using a Goldmann or Perkins applanation tonometer. The perimeter most frequently used was either one of the Henson range of instruments (39%) or the Humphrey Field Analyser (22%). A smaller number of optometrists (