Results 51 to 60 of about 529,119 (224)

Understanding the spacing of placodes in the eye: A comparative study across age and species

open access: yesThe Anatomical Record, EarlyView.
Abstract The conjunctival placodes of the avian eye form in an intriguing and conserved sequence in a circular annulus around the cornea. These 13–16 placodes develop into papillae that are essential for inducing underlying intramembranous flat bones, known as scleral ossicles, which form an important part of the ocular skeleton.
Florence Joseph   +1 more
wiley   +1 more source

Scleral-fixated intraocular lens implantation techniques

open access: yesActa Medica Alanya, 2019
The ideal location of intraocular lens implantation is the posterior chamber. The capsular bag is left during the cataract operations in order to implant the intraocular lens in the position of the crystalline lens and the artificial lens is applied ...
Ömer Faruk Recep
doaj   +1 more source

Artificial Intelligence in Ophthalmology: From Methodological Advances to Clinical Translation and Future Directions

open access: yesEye &ENT Research, EarlyView.
ABSTRACT Artificial intelligence (AI) is reshaping ophthalmology from task‐specific image analysis toward multimodal, longitudinal, and clinically integrated decision support. This narrative review summarizes the methodological evolution of ophthalmic AI, including traditional machine learning, task‐specific deep learning, self‐supervised learning ...
Yuxin Liu, Hanruo Liu
wiley   +1 more source

Safe Suture Burial in Trans-scleral Fixation of Posterior Chamber Intraocular Lens

open access: yesDelhi Journal of Ophthalmology, 2011
The commonest complication of trans-scleral fixation of posterior chamber intraocular lens (PCIOL) is suture erosion. The sutures though crucial for lens stability, if exposed cause discomfort and are a potential source of endophthalmitis.
Ruchi Goel, KPS Malik
doaj   +1 more source

Advancing Artificial Intelligence in Myopia Management: From Predicting Progression to Supporting Clinical Decisions

open access: yesMed Research, EarlyView.
The AI‐enabled multimodal framework for whole‐life myopia management. Graphical abstract illustrates the transition of myopia care from premyopia to myopia, high myopia, and pathologic myopia. Multimodal data, including demographic and refractive information, genetic, behavioral and environmental factors, ophthalmic imaging, and omics profiles, can be ...
Zewei Zhang   +6 more
wiley   +1 more source

Effect of Scleral Contact Lens Size and Duration of Wear on Intraocular Pressure [PDF]

open access: yes, 2023
OBJECTIVE: To evaluate the effects of scleral lens size and the duration of wear on intraocular pressure (IOP) during lens wear. METHODS: Healthy adults were recruited for this prospective and randomized study.
Lin, Meng   +13 more
core   +1 more source

A meta-analysis of sutureless scleral-fixated intraocular lens versus retropupillary iris claw intraocular lens for the management of aphakia

open access: yesScientific Reports
This study compared the visual outcomes and complications between sutureless scleral-fixated intraocular lens and iris claw intraocular lens implantation in aphakia without adequate capsule and/or zonule support.
Yu-Min Chang   +7 more
doaj   +1 more source

Combination of capsular tension ring and capsular tension segment for the management of lens coloboma >4 clock hours

open access: yesIndian Journal of Ophthalmology, 2019
Lens colobomas extending more than 4 clock hours and causing visual impairment require lens extraction along with capsular support devices with scleral fixation for adequate centration of the capsular bag and for prevention of capsular fornix aspiration ...
Deepika Dhingra   +5 more
doaj   +1 more source

Neurotrophic Signaling, Sleep Physiology, and Retinal Neuroprotection: Integrative Mechanisms and Therapeutic Implications for Glaucoma

open access: yesSensory Neuroscience, EarlyView.
Glaucoma is increasingly understood as a neurodegenerative disorder shaped by sleep and circadian physiology, not intraocular pressure alone. Sleep loss and obstructive sleep apnea suppress BDNF–TrkB neurotrophic signaling, impair sleep‐dependent glymphatic clearance, and trigger microglial neuroinflammation and vascular insult at the optic nerve head,
Karyme M. Alemán‐Villa   +5 more
wiley   +1 more source

Evidence on scleral contact lenses and intraocular pressure [PDF]

open access: yes, 2017
It has been hypothesised that scleral contact lens wear may potentially elevate intraocular pressure (IOP) as a result of post-lens fluid forces exacerbated by eyelid tension, or ocular versions that alter the lens fit and result in corneal bearing or ...
Vincent, Stephen J.   +4 more
core   +1 more source

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