Monovision in LASIK

Braun, Erich H.P.; Lee, Jane; Steinert, Roger F.

doi:10.1016/j.ophtha.2007.09.018

Cited by 97 publications

(70 citation statements)

References 18 publications

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“…43,44 The determination of ocular dominance has mainly been based on sighting dominance, which takes little time to perform. The key assumption in monovision is that the blur is suppressed more easily in the nondominant eye.…”

Section: Discussionmentioning

confidence: 99%

“…There are different opinions on whether the dominant eye should be corrected for distance or near vision. [45][46][47][48] Correction for distance would allow for better binocular summation at middle distances and near stereoacuity since the signals from the eyes are roughly equally blurred. 49 This study's results further indicate that ocular dominance has a greater effect on the integration time needed to achieve best stereoacuity.…”

Section: Discussionmentioning

confidence: 99%

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Balanced Eyes See Stereopsis More Quickly, but Not More Finely

Bai

Zhang

et al. 2018

Invest. Ophthalmol. Vis. Sci.

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PURPOSE. To quantify ocular sensory dominance and investigate its relationship to stereopsis. METHOD.A total of 69 subjects participated in the study. Ocular dominance was measured by a continuous flashing technique, with the tested eye viewing a Gabor patch increasing in contrast, and the fellow eye viewing a Mondrian noise decreasing in contrast. In each trial, the log ratio of Mondrian to Gabor's contrasts was recorded as a subject first detected the Gabor. We collected 50 trials for each eye and an interocular difference was analyzed with a rank-sum test. The z-value was used as the ocular dominance index (ODI) to quantify the degree of ocular dominance. A subject with ODI ‡ 2 was categorized as having a clear ocular dominance, and a subject with ODI < 2 was considered as having balanced eyes (unclear dominance). The stereoacuity was measured with random dot patterns with durations varying from 50 to 1000 ms. The best achievable stereoacuity (D min ) and the integration time needed to acquire that (T min ) were calculated. RESULTS.A total of 30 subjects had balanced eyes and 39 had clear ocular dominance. T min was significantly longer in subjects with clear ocular dominance than in subjects with balanced eyes (180.18 vs. 121.17 ms, P < 0.01). T min was positively correlated with ODI (P < 0.01). However, D min in subjects with clear dominance was not different from that in subjects with balanced eyes (40.60 vs. 35.73 arcsec, P ¼ 0.18).CONCLUSIONS. Ocular dominance is not associated with how fine the stereoacuity is, but rather how quickly the best stereoacuity is acquired.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Balanced Eyes See Stereopsis More Quickly, but Not More Finely

Bai

Zhang

et al. 2018

Invest. Ophthalmol. Vis. Sci.

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“…Corneal inlays and intraocular lenses have also been a popular alternative treatment for presbyopia 2 . Monovision techniques 3 usually involve correcting the dominant eye for distance as opposed to crossed monovision 4 where the dominant eye is corrected for near vision.…”

Section: Introductionmentioning

confidence: 99%

Presbyopic LASIK Using Hybrid Bi-Aspheric Micro-Monovision Ablation Profile for Presbyopic Corneal Treatments

Luger

McAlinden

Buckhurst

et al. 2015

American Journal of Ophthalmology

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“…[3][4][5] It is true a re-treatment rate of 10% to 20% has been observed for PresbyMAX, including an approximate rate of 1% for reversal treatments. For monovision, [3][4][5] from approximately 65% qualifying candidates, approximately 17% (13% 3 to 28% 5 ) are retreated, and approximately 5% (2% 3 to 7% 5 ) require a reversal treatment (retargeting the near eye to emmetropia).…”

Section: Correspondencementioning

confidence: 99%