Binocular Diplopia Following Vision Restoration in Patients with Keratoconus and Sensory Strabismus

Khan, Arif O.; Al-Shamsi, Hanan

doi:10.1080/09273970701863149

Cited by 8 publications

(8 citation statements)

References 10 publications

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“…In our study, no patient complained of diplopia, contrary to what Khan and Al-Shamsi described in 2008. 10 He described seven subjects with strabismus and keratoconus, who were referred for treatment of diplopia after a surgical procedure meant to improve the vision of the worse eye. This difference in findings may be explained by the fact that Khan series was obtained from subjects with diplopia who were referred to an outpatient strabismus clinic.…”

Section: Discussionmentioning

confidence: 99%

“…Although keratoconus is frequently associated with decreased vision and anisometropia, which are conditions commonly associated with reduced binocular performance, 6,7 there are still few studies that have evaluated keratoconus' patients sensory status. [8][9][10] This is an important issue, as we know that binocular collaboration between the eyes maintains eye alignment 11 and is directly related to the performance of certain motor skill functions. 12 Classically, the binocular functions can be graded, according to their performance, as ''first'' degree (simultaneous perception), ''second'' degree (fusion and fusional amplitudes), 13 and ''third'' degree of binocularity (stereopsis, measured by stereograms).…”

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confidence: 99%

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Oculomotor Status, Binocular Vision, and Stereoacuity in a Series of Keratoconus Subjects

Antunes-Foschini

Coutinho

Rocha

et al. 2018

Invest. Ophthalmol. Vis. Sci.

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In our study, the KG presented a higher frequency of strabismus and impaired binocular vision. Frontal astigmatism was different between groups with gross and fine stereopsis, in both the CG and KG. Future studies are needed to elucidate or reinforce the factors associated with the loss of binocularity in keratoconus. Testing for stereopsis may be helpful to consider in the treatment guidelines for keratoconus.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Oculomotor Status, Binocular Vision, and Stereoacuity in a Series of Keratoconus Subjects

Antunes-Foschini

Coutinho

Rocha

et al. 2018

Invest. Ophthalmol. Vis. Sci.

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“…The second report was by Khan and Al-Shamsi, who investigated a database of 103 patients with keratoconus and identified abnormal binocular function due to longstanding keratoconus in only seven patients 10. In their series, six patients had persistent exotropia.…”

Section: Discussionmentioning

confidence: 99%

Sensory exotropia due to keratoconus and review of the literature

Ciftci¹,

Şimşek²,

Dogan³

et al. 2013

OPTH

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This case report describes a 17-year-old boy with sensory strabismus due to keratoconus and an ipsilateral nodular lesion of the bulbar conjunctiva. The aligned eye was the right eye and keratoconus in this eye was of late onset. Vision in the left eye was poor and keratoconus was advanced in this eye. Due to the longstanding nature of the keratoconus and its occurrence in a developmentally sensitive period, sensory exotropia had developed in the left eye. There was a nodular lesion of the bulbar conjunctiva in the ipsilateral eye. If keratoconus occurs before the age of 7 years and the prolonged visual loss is not corrected, sensory strabismus can develop, as in this patient.

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“…Görme derecesi ile bağlantılı olmaksızın duyusal kaymalarda şaşılık cerrahisi öncesi ve sonrası çift görmenin varlığı çeşitli yayınlarda bildirilmiştir. 5,14,15,24 Gusek-Schneider ve Boss'un 15 çalışmasındaki 7 içe kayma olgusunun 2'sinde (%28,6) cerrahi öncesi var olan çift görmenin şaşılık cerrahisi sonrasında devam ettiği, dışa kayması olan 19 hastanın 5'inde önceden var olan çift görmenin cerrahi sonrasında yalnızca 1'inde (%5,3) devam ettiği tespit edilmiştir. Khan'ın 24 keratokonuslara bağlı duyusal kaymaları içeren çalışmasında 7 hastanın 6'sında (%85,7) görme artışıyla birlikte ortaya çıkan ve şaşılık cerrahisi sonrasında santral supresyona bağlı kaybolan çift görme saptanmıştır.…”

Section: Discussionunclassified

Az Gören Olgularda Şaşılık Cerrahisi

Sefi-Yurdakul¹

2013

tjo

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ÖzetAmaç: Az gören horizontal şaşılık olgularında cerrahi sonuçların değerlendirilmesi. Ge reç ve Yön tem:Görme dereceleri 0,1 ve altında olup şaşılık cerrahileri yapılan olgular çalışmaya alındı. Ezotropya (ET) ve ekzotropya (XT) olguları ayrıntılı göz muayene bulguları açısından incelendi. Görme azlığı nedenleri ve birlikte bulunan organik patolojiler araştırıldı, şaşılık cerrahisinin sonuçları değerlendirildi. Son kontrollerinde 10 prizm diyoptri ve altında kaymanın olması başarı olarak kabul edildi. Sum maryPur po se: To evaluate the outcomes of horizontal strabismus surgery in patients with low visual acuity. Ma te ri al and Met hod:The patients with visual acuity of 0.1 or below who underwent strabismus surgery were included in the study. The patients with esotropia (ET) and exotropia (XT) were analyzed in terms of detailed ocular examination findings. The causes of poor vision and organic pathologies were investigated, and the results of strabismus surgery were evaluated. A successful outcome was accepted as deviation of 10 prism diopters or less at the last control.Re sults: The mean age was 23.1±16.8 (range, 8-80) years in the ET group (n=46) and 29.2±13.4 (range, 8-57) years in the XT group (n= 36) at the time of first strabismus surgery (p=0.079). Organic pathologies were detected in 15 (32.6%) and 28 (77.8%) cases of ET and XT groups, respectively (p=0.005). Amblyopia (strabismic, anisometropic or ametropic) was observed in 31 (67.4%) and 8 (22.2%) cases of ET and XT groups (p=0.003). The mean duration of postoperative follow-up was 3.5±3.4 (range, 1-15) years in the ET group and 2.5±2.3 (range, 1-12) years in the XT group (p=0.132). Acceptable outcome was achieved with one surgery in 34 (73.9%) of ET cases, in 29 (80.6%) of XT cases after at least one year follow-up period (p= 0.489). Dis cus si on:In strabismic cases with low visual acuity, strabismus surgery provides patient satisfaction. All cases should be reminded that more than one surgery may be required. (Turk J Ophthalmol 2013; 43: 313-6)

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Binocular Diplopia Following Vision Restoration in Patients with Keratoconus and Sensory Strabismus

Cited by 8 publications

References 10 publications

Oculomotor Status, Binocular Vision, and Stereoacuity in a Series of Keratoconus Subjects

Oculomotor Status, Binocular Vision, and Stereoacuity in a Series of Keratoconus Subjects

Sensory exotropia due to keratoconus and review of the literature

Az Gören Olgularda Şaşılık Cerrahisi

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