Mini-Scleral Lens: An Effective Mode of Visual Rehabilitation in Eyes With Resolved Hydrops

圆锥角膜 屈光度 视力 眼科 医学 隐形眼镜 视觉康复 Scheimpflug原理 角膜地形图 镜头(地质) 验光服务 角膜 光学 物理
作者
Rajesh Sinha,Shahnaz Anjum,Shwetangi Dwivedi,Rinky Agarwal,Aafreen Bari
出处
期刊:Eye & Contact Lens-science and Clinical Practice [Lippincott Williams & Wilkins]
标识
DOI:10.1097/icl.0000000000001107
摘要

Objectives: To evaluate the visual outcome of mini-scleral contact lenses (MSLs) in keratoconus following the resolution of acute hydrops. Methods: This was a prospective observational case series of patients of healed hydrops in keratoconus fitted with an MSL (Keracare, Acculens, Lakewood, CO) who were managed for acute hydrops medically or surgically at least 3 months prior. Uncorrected visual acuity, best spectacles-corrected visual acuity, best lens-corrected visual acuity, topographic indices, keratometric indices, contact lens parameters, and ocular aberrometric changes were evaluated. All patients were followed up for at least 3 months. Results: Eighteen eyes of 17 patients were included in the analysis. The mean post-hydrops topographic values of the eyes included flat keratometric value (K1) 64.93±10.88 (range 44.30–93.40) diopters (D), steep keratometric value (K2) 70.41±10.92 D (range 45.8–98.6 D), and Kmax of 79.53±17.73 D (range 50–130.2). The final mini-scleral lens's mean dioptric power was −8.56±3.96 D (range −18 to −4). Visual acuity significantly improved from post-hydrops resolution uncorrected visual acuity of 1.5±0.71 logMAR to 0.79±0.18 logMAR best spectacles-corrected visual acuity to 0.27±0.01 logMAR best lens-corrected visual acuity ( P -value <0.0001). Similarly, there was considerable improvement in corneal aberrometric values after wearing an MSL. At the 3-month follow-up, 15 patients (16 eyes) were compliant to contact lens use with a minimum of 6 to 8 hr daily while two patients (2 eyes) were poorly compliant. Conclusions: A MSL is a valuable option for visual rehabilitation in keratoconus following the resolution of acute hydrops.
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