1992
DOI: 10.1007/bf00161240
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Steady-state accommodation and ocular biometry in late-onset myopia

Abstract: The steady-state accommodative responses of emmetropes and late-onset myopes was measured for an array of numbers located at -1, -3 and -5 dioptres using an objective infra-red optometer. Responses were compared for passive (reading numbers) and active (adding numbers) conditions. For the passive condition, the late-onset myopes showed a significantly lower accommodative response than the emmetropic group. No significant differences were found between the two groups for the active condition. Ocular biometric c… Show more

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Cited by 72 publications
(55 citation statements)
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“…Axially myopic eyes are larger than emmetropic eyes due to the elongation of the vitreous chamber (Bullimore et al, 1992; Grosvenor and Scott, 1993; 1994; McBrien and Millodot, 1987). As expected, there could be large individual differences due to eye size because longer eye would require the same number of photore-ceptors in the retina to tile over a larger surface area (Chui et al, 2008b; Li et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
“…Axially myopic eyes are larger than emmetropic eyes due to the elongation of the vitreous chamber (Bullimore et al, 1992; Grosvenor and Scott, 1993; 1994; McBrien and Millodot, 1987). As expected, there could be large individual differences due to eye size because longer eye would require the same number of photore-ceptors in the retina to tile over a larger surface area (Chui et al, 2008b; Li et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
“…A larger lag of accommodation in association with near work has been shown to be a factor in the development and progression of myopia. Larger accommodative lags in myopes are found with higher accommodative demands, 10 -12 myopia of more recent onset, [11][12][13] and blur-driven accommodation induced by negative lenses. 10,14,15 Larger lags also are associated with progression of myopia.…”
mentioning
confidence: 93%
“…The higher paediatric myope is likely to be a faster progressor, (Donovan, Sankaridurg et al 2012) and elevated accommodative-convergence has been found in new and progressing (Edwards et al 2002) paediatric myopes. Conversely, progressing myopes in young adulthood, who generally have lower refractions, (Grosvenor 1987, Bullimore et al 1992 In SCL correction, all BV function results were within normal ranges except for lower than average BIFR and PRA, and higher than average accommodation lag. (Scheiman 1994, Evans 2007 In OK wear, these measures returned to normal excepting a marginally higher than normal accommodation lag in children which remained.…”
Section: Refraction Bv Status and Myopia Controlmentioning
confidence: 98%
“…There is a reported association between higher levels of esophoria and accommodative lag at near in myopic children and young adults as compared to emmetropes. (Drobe and de Saint-André 1995, Nakatsuka et al 2005, Allen and O'Leary 2006 Myopic children and young adults also show insufficient accommodative responses to lens-induced blur, (Bullimore et al 1992, Abbott et al 1998, Pandian et al 2006 greater variability in accommodative response (Harb et al 2006), reduced accommodative facility O'Leary 2006, Pandian et al 2006) and enhanced accommodative convergence (elevated AC/A ratios) when compared to age matched emmetropes. , Mutti et al 2000b Conjecture exists, though, as to whether accommodative errors are a feature rather than a cause of myopia.…”
Section: Binocular Vision and Myopiamentioning
confidence: 99%
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