Results 21 to 30 of about 14,431 (219)

Refractive change following pseudophakic vitrectomy: a retrospective review [PDF]

open access: yes, 2008
Background To assess the occurrence and magnitude of refractive change in pseudophakic eyes undergoing 20 gauge pars plana vitrectomy without scleral buckling and to investigate possible aetiological factors.
Anthony Hildreth   +19 more
core   +5 more sources

Contact lens in keratoconus

open access: yesIndian Journal of Ophthalmology, 2013
Contact lenses are required for the visual improvement in patients with keratoconus. Various contact lens options, such as rigid gas permeable (RGP) lenses, soft and soft toric lenses, piggy back contact lenses (PBCL), hybrid lenses and scleral lenses ...
Varsha M Rathi   +2 more
doaj   +1 more source

The Isolated Orbital Floor Fracture from a Transconjunctival or Subciliary Perspective-A Standardized Anthropometric Evaluation [PDF]

open access: yes, 2015
Background: The influence of orbital fractures and their repair on the rate of deformities of the lower eyelid is an ongoing source of discussion in the literature.
Djedovic, Gabriel   +7 more
core   +2 more sources

Agreement of Anterior Segment Parameters Obtained From Swept-Source Fourier-Domain and Time-Domain Anterior Segment Optical Coherence Tomography. [PDF]

open access: yes, 2018
PurposeTo assess the interdevice agreement between swept-source Fourier-domain and time-domain anterior segment optical coherence tomography (AS-OCT).MethodsFifty-three eyes from 41 subjects underwent CASIA2 and Visante OCT imaging.
Badr, Mai   +6 more
core   +2 more sources

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

Bibliometric and visual analysis of scleral contact lenses: global characteristics and research trends from 1976 to 2023 [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To gain insight into the future research directions in scleral contact lenses (SCLs) through a comprehensive bibliometrics study. METHODS: The publications related to SCLs were screened from the Web of Science Core Collection (WOSCC) database.
Jing Gao, Yao Xu
doaj   +1 more source

The impact of scleral contact lenses correction of keratoconus on wave-front and accommodation parameters

open access: yesРоссийский офтальмологический журнал, 2022
Purpose: to evaluate the wave-front and accommodation changes in various stages of keratoconus corrected by scleral contact lenses.Material and methods. 20 patients (39 eyes) aged 18–37 with keratoconus of various stages (8 eyes with stage I, 3 eyes with
E. P. Tarutta   +5 more
doaj   +1 more source

Microstructure and growth of the lenses of schizochroal trilobite eyes [PDF]

open access: yes, 2013
Lenses within the schizochroal eyes of phacopine trilobites are made principally of calcite and characterisation of them using light microscopy and high-resolution electron imaging and diffraction has revealed an array of microstructural arrangements ...
Lee, Martin R.   +2 more
core   +1 more source

Scleral contact lens thickness profiles: The relationship between average and centre lens thickness [PDF]

open access: yesContact Lens and Anterior Eye, 2019
To develop a methodology to reliably determine the thickness profile of scleral contact lenses and examine the relationship between the centre and average lens thickness for a range of lens designs and back vertex powers.High-resolution images of 37 scleral trial lenses (Epicon LC, Rose K2 XL and ICD 16.5) were captured using an optical coherence ...
Vincent, Stephen J   +3 more
openaire   +3 more sources

Contact lenses for the treatment of ocular surface diseases

open access: yesIndian Journal of Ophthalmology, 2023
Contact lens wear is useful in ocular conditions such as high refractive errors, irregular astigmatism, corneal ectasias, corneal dystrophies, post-keratoplasty, post-refractive surgeries, trauma, and ocular surface diseases.
Namrata Sharma   +3 more
doaj   +1 more source

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