Results 1 to 10 of about 19,700 (117)

Contact lens fitting after corneal collagen cross-linking [PDF]

open access: yesOman Journal of Ophthalmology, 2019
BACKGROUND: Contact lenses (CLs) remain the mainstay in improving vision in patients having keratoconus. With corneal collagen cross-linking (CXL) performed worldwide, whether the same CLs can be used or needs replacement needed to be assessed and ...
Preeji Suderman Mandathara   +5 more
doaj   +2 more sources

Gas permeable contact lens fitting in keratoconus: Comparison of different guidelines to back optic zone radius calculations [PDF]

open access: yesIndian Journal of Ophthalmology, 2019
Purpose: Compare the agreement between the finally fitted back optic zone radius (BOZR) of a spherical gas permeable (GP) contact lense (CL) with those proposed by different guidelines currently available to fit GP CLs in keratoconus.
Sara Ortiz-Toquero   +3 more
doaj   +2 more sources

Base Curve Influence on the Fitting and Comfort of the Senofilcon A Contact Lens

open access: yesJournal of Optometry, 2009
Purpose: To determine the influence of the base curve on the movement, on the corneal surface mechanical alterations and on the subjective comfort of Senofilcon A contact lens for corneas having central curve radius flatter than 7.80 mm. Methods: In this
David Madrid-Costa
exaly   +3 more sources

A multi-parameter grading system for optimal fitting of scleral contact lenses [version 1; peer review: 2 approved]

open access: yesF1000Research, 2022
Background: While scleral lens practise has improved over the years due to factors such as availability of lenses with better materials and designs as well as experience of practitioners, a lack of objectivity appears to remain in terms of assessment of ...
Simmy Chaudhary   +3 more
doaj   +1 more source

A multi-parameter grading system for optimal fitting of scleral contact lenses [version 2; peer review: 2 approved]

open access: yesF1000Research, 2022
Background: While scleral lens practise has improved over the years due to factors such as availability of lenses with better materials and designs as well as experience of practitioners, a lack of objectivity appears to remain in terms of assessment of ...
Simmy Chaudhary   +3 more
doaj   +1 more source

A new technique for fitting of tricurve rigid gas-permeable contact lens in penetrating keratoplasty eyes using Scheimpflug imaging

open access: yesIndian Journal of Ophthalmology, 2020
Purpose: Rigid gas-permeable (RGP) contact lens fitting after penetrating keratoplasty (PK) is challenging due to significant irregular astigmatism. The aim of the study was to determine a guideline for selecting the initial base curve (BC) of the RGP ...
Pratik Gogri, Faiza A Bhombal
doaj   +1 more source

Managing visual symptoms in cone-rod dystrophy with prosthetic soft contact lens: A case report

open access: yesIndian Journal of Ophthalmology. Case Reports, 2023
This case demonstrates the utilization of a prosthetic type C contact lens to manage visual symptoms such as photophobia and glare in patients with cone-rod dystrophy.
Manju Balakrishnan, Asif Iqbal
doaj   +1 more source

Contact Lens Fitting in Keratoconus

open access: yesDelhi Journal of Ophthalmology, 2010
Keratoconus is a progressive, non-inflammatory, asymmetric ectatic corneal disorder that results in high amount of myopia and astigmatic refractive error. Early cases may be managed by spectacles; however, the definitive management is use of contact lens.
Pooja Singh   +3 more
doaj   +1 more source

Mini-scleral contact lens for management of poor visual outcomes after intrastromal corneal ring segments implantation in keratoconus

open access: yesJournal of Ophthalmic & Vision Research, 2016
Purpose: To evaluate the feasibility and efficacy of mini-scleral design (MSD) contact lenses to treat keratoconus patients who were unsatisfied with the results of corneal inlay.
Fatemeh Alipour   +5 more
doaj   +1 more source

Grey Filter Contact Lens as Therapeutic Option for Acquired Reduced Binocular Visual Performance

open access: yesBritish and Irish Orthoptic Journal, 2021
Disturbing binocular problems can be too complex to be treated in such a way that comfortable binocular single vision is restored. The grey filter contact lens could offer a safe and clinically useful way to help these patients. Background: In unilateral
Hans van Vliet   +5 more
doaj   +1 more source

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