Keratoconus in Civil Aviation Pilots in a Report of Six Cases

Rebello, Albert Costa; Rodrigues, B. C.; Pereira, Marcos

doi:10.3357/amhp.4729.2017

Cited by 1 publication

(1 citation statement)

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“…Corneal morphology and corneal-derived astigmatism are closely linked. Abnormal corneal astigmatism patterns are primarily attributed to anomalous corneal morphology in many diseases, such as keratoconus 14 and corneal dystrophy. 15 The anatomical variations of myopic eyes were pretty common, 16 which is a constant source of interest to the clinician.…”

Section: Discussionmentioning

confidence: 99%

Ocular features in myopic eyes with longer horizontal ciliary sulcus diameters for intended implantable collamer lens surgery

Chen,

Wan,

et al. 2023

European Journal of Ophthalmology

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Purpose To assess the ocular anterior segment characteristics in myopic eyes intended for ICL surgery with horizontal ciliary sulcus-to-sulcus (STS) diameters being greater than vertical STS diameters. Methods This retrospective, comparative case study included 1230 eyes of patients who underwent ICL implantation for the treatment of myopia or myopic astigmatism at the Zhongshan Ophthalmic Center from September 2020 to November 2021. The myopic eyes were divided into two groups according to the relatively long diameter of the ciliary sulcus. General parameters and anterior chamber parameters were compared between the two groups. Results 1230 eyes of 694 patients were included. The proportion of myopic eyes with longer horizontal STS diameters was 4.63%. Horizontal STS distances exceeding vertical meridians in these eyes were mainly attributed to the shortening of vertical STS distances (horizontal STS: P = 0.112; vertical STS: P < 0.001). Eyes with longer horizontal meridians of the ciliary sulcus displayed larger steep keratometry value ( P = 0.001), larger corneal volume ( P = 0.002), larger corneal astigmatism ( P < 0.001), larger ocular residual astigmatism ( P = 0.017), worse visual acuity (logMAR UDVA: P = 0.021; logMAR CDVA: P = 0.001), and more iridociliary cysts ( P = 0.017) compared to eyes with vertically oval shapes. Conclusion Myopic eyes with longer horizontal STS diameters are commonly accompanied by a change in corneal morphology and more iridociliary cysts. The anatomical features of the ciliary sulcus should be given sufficient consideration to ICL size and placement selection, contributing to more personalized and precise surgery.

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Section: Discussionmentioning

confidence: 99%