Results 1 to 10 of about 5,030 (132)

A case of spontaneous avulsion of primary pterygium analyzed with anterior segment optical coherence tomography [PDF]

open access: yesAmerican Journal of Ophthalmology Case Reports, 2022
Purpose: This study reports a case of the spontaneous avulsion of primary pterygium with anterior segment optical coherence tomography (AS-OCT) findings. Observation: A 72-year-old woman complained of acute pain of the left eye.
Takayuki Tanaka   +2 more
doaj   +2 more sources

Morphometric evaluation and measurements of primary pterygium by anterior segment optical coherence tomography and its relation with astigmatism [PDF]

open access: yesTherapeutic Advances in Ophthalmology, 2021
Purpose: To evaluate the relationship between measurements and various morphometric parameters of primary pterygium on anterior segment optical coherence tomography(AS-OCT) and refractive and keratometric astigmatism.
Anuradha Raj   +2 more
doaj   +2 more sources

Corneal steep island formation after primary pterygium surgery. [PDF]

open access: yesPLoS ONE
AimsThis study aimed to report corneal steep island (CSI) formation following primary pterygium surgery and to identify preoperative pterygium morphological features that predict the likelihood of CSI.MethodsA total of 93 eyes from 84 subjects with ...
Dong Hee Ha, Kyoung Woo Kim
doaj   +2 more sources

Atypical Presentation of Recurrent Pterygium Leading to Blindness and its Successful Management: A Series of Three Cases [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Recurrence of pterygium is one of the main concerns in pterygium management. Recurrent pterygium is defined as the regrowth of fibrovascular tissue over the previously excised primary pterygium area, extending beyond the limbus and advancing towards the ...
Babi Das, Preety Rekha Das
doaj   +1 more source

Pterygium surgery by double-sliding flaps procedure: Comparison between primary and recurrent pterygia

open access: yesIndian Journal of Ophthalmology, 2021
Purpose: This study aimed to evaluate the surgical outcomes of pterygial excision for primary and recurrent pterygia by a single method of pterygia excision combined with two conjunctival flaps.
Jong Soo Lee   +3 more
doaj   +1 more source

Semaphorin 7a participants in pterygium by regulating vascular endothelial growth factor [PDF]

open access: yesInternational Journal of Ophthalmology, 2019
AIM: To investigate the relationship between semaphorin 7a expression and cell proliferation and migration in pterygium fibroblasts. METHODS: Twenty-six patients with surgically diagnosed pterygium were enrolled, including 15 cases of primary pterygium ...
Yun-Fei Han   +9 more
doaj   +1 more source

Protective Role of Glutathione and Nitric Oxide Production in the Pathogenesis of Pterygium

open access: yesJournal of Ophthalmology, 2020
Objective. In the pathogenesis of pterygium, the protective role of glutathione and nitric oxide production is unclear. These are important factors for homeostasis in the redox state of cells.
Fidelina Parra   +7 more
doaj   +1 more source

Sutureless Glueless Conjunctival Autograft for Primary Pterygium Surgery [PDF]

open access: yesAl-Azhar International Medical Journal, 2020
Pterygium occurs predominantly on the nasal limbus, although temporal pterygium rarely occurs in isolation. Double-head pterygium, that is nasal and temporal pterygia in the same eye is rare. In studies by Dolezalová, the incidence was found to be (2.5%).
Ahmed Mostafa Ismail   +2 more
doaj   +1 more source

The Role of Mast cells in the Pathogenesis of Primary and Recurrent Pterygium

open access: yesTürk Oftalmoloji Dergisi, 2012
Pur po se: In this study, we aimed to investigate the roles of mast cells in pterygium pathogenesis and to compare the number of mast cells in primary and recurrent pterygium.
Hülya Deveci   +3 more
doaj   +1 more source

Corneal Astigmatism and Intraocular Lens Power Calculation before and after Pterygium Surgery [PDF]

open access: yesAl-Azhar International Medical Journal, 2022
Background: Pterygium can interfere with vision by causing corneal astigmatism or by directly encroaching on the visual axis. Pterygium excision surgery, which employs multiple approaches, can lessen corneal astigmatism.
mona hasaan, zeinab Hasan, manar Ghazaly
doaj   +1 more source

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