Purpose: To assess potential patient-related barriers to rigid gas permeable (RGP) lens wear for vision rehabilitation in a sample of keratoconus (KC) patients in Jordan.
Methods: Barriers for RGP contact lens wear among KC patients were discussed and specified by a focus group which consisted of five optometrists who are involved in contact lens practice. The focus group addressed potential barriers for RGP lens wear from the patient's perspective. The identified barriers were then used to design the final questionnaire used in the study. The questionnaire consisted of 8 questions which ask the participant to rate, within a 5-points scale (1: strongly disagree to 5: strongly agree), how each suggested item is considered a barrier for RGP lens wear.
Results: 204 KC patients (86 females, 118 males) were involved in a semi-structured interview to answer the questionnaire. The average age of participants was 30.85 (±8.74) years old and ranged from 18 to 62 years. The average age of diagnosis of KC (±standard deviation) is 21.96 (±7.22) years old with a range of 12-52 years. All participants reported that they had never tried RGP lenses for their vision rehabilitation; however, other management options were reported such as glasses, keratoplasty, collagen cross linking and Intacs. The mean score of total barriers to RGP wear was high at 3.8 (±0.4) (out of 5). The major identified barriers were: lack of awareness of the benefits of RGP lenses, fear of possible lens complications, lack of medical insurance and high cost of the lens.
Conclusions: The study reveals that several barriers were identified as prevalent. Consequently, there is an imperative need to adopt better planning strategies for management protocol of KC in order to assure best eye care service for KC patients in Jordan.
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http://dx.doi.org/10.1016/j.clae.2017.12.007 | DOI Listing |
Cont Lens Anterior Eye
November 2024
Department of Optometry and Vision, Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain; Ocupharm Group Research, Faculty of Optics and Optometry, Universidad Complutense de Madrid, 28037 Madrid, Spain. Electronic address:
Purpose: To analyze the efficacy of different disinfecting methods for contact lenses (CL) against Acanthamoeba castellanii (AC) using quantitative PCR (qPCR) based on RNA detection.
Methods: Three CL materials: rigid gas permeable (RGP), hydrogel (Hy), and silicone hydrogel (SiHy), were contaminated with 1x10 amoebae/ml and incubated for 24 h at 30 °C. After contamination, pre-cleaning steps were performed before using four maintenance solutions based on hydrogen peroxide (HP), sodium hypochlorite (SH), povidone-iodine (PI), and a multipurpose solution (MS).
Cont Lens Anterior Eye
November 2024
Groupe de Recherche Clinique #32, Transplantation et Thérapies Innovantes de la Cornée, Sorbonne Université, Hôpital National des 15-20, Paris, France.
Background: To compare the efficiency of three artificial intelligence (AI) frameworks (Standard Machine Learning (ML), Multi-Layer Perceptron (MLP) and Convolution Neural Networks (CNN)) with a reference method (Mean radius of curvature (K)) to predict the posterior radius of curvature of the best-fitted rigid contact lens (RCBFL) in keratoconus eyes.
Methods: This retrospective study included 197 keratoconus eyes of 135 patients fitted with Rose K2® (Menicon®, Nagoya, Japan) rigid contact lenses with one or more topographies available (MS39®, CSO®, Ferrara, Italy) between January 2020 and September 2022. Two types of topographic data (indices and reconstructed maps from raw data) were used for AI analysis.
Eye Contact Lens
October 2024
Cornea and Contact Lens Unit (C.J.O., S.B.), De Lens Ophthalmic Family and Vision Care Centre, Abuja, Nigeria; Department of Optometry and Visual Science (E.K.-A., P.A.), Kwame Nkrumah University of Science and Technology, Kumasi, Ghana; Centre for Eye Research Ireland (E.K.-A.), Environmental Sustainability and Health Institute, Technological University Dublin, Dublin, Ireland; Permeff Eye Care (P.E.T.), Accra, Ghana; First Vision Eye Care (L.A.A.K.), Kumasi, Ghana; and College of Optometry (P.A.), University of Houston, Houston, TX.
Sci Rep
October 2024
State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Eye Institute of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.
This study aims to observe the clinical efficacy and safety of rigid gas permeable corneal contact lenses (RGP-CLs) wearing after femtosecond laser-assisted minimally invasive lamellar keratoplasty (FL-MILK) in progressive and advanced keratoconus eyes. Twenty-five patients (27 eyes) fitted with RGP-CLs after FL-MILK were enrolled, and 22 grading-matched keratoconus patients (23 eyes) as a control group. Corneal morphological data, diopter, best corrected vision, corneal endothelium, non-invasive tear film rupture time (NIBUT), corneal perception and comfort questionnaire were analysed before and after wearing RGP-CLs.
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August 2024
The First Affiliated Hospital of Zhengzhou University, Jianshe Road, Zhengzhou, 450000, China.
We aimed to assess long-term disease progression in patients with severe keratoconus (KC). Clinical records of 125 patients (201 eyes) with severe KC followed-up for > 12 months were retrospectively analyzed. From these, 28 patients (31 eyes) were included.
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