Results 41 to 50 of about 252,006 (302)

Changes in forward light scatter parameters as a function of refractive error in young adults [PDF]

open access: yes, 2020
Background/aims Some aspects of visual performance worsen with increasing myopia. Whilst the underlying causes are not always clear, reduction in retinal image quality is often attributed to structural changes in the posterior myopic eye.
Barbur, J., Nagra, M., Patel, M.
core   +2 more sources

Corneal hymenoptera stings: A new therapeutic approach

open access: yesVision Pan-America, 2012
Purpose: We describe five cases, (4 children), with ocular sequelae from honeybee or wasp sting injuries to the eye treated with anterior chamber irrigation to reduce the venom concentration and subsequent complications.
Mauricio Vélez   +3 more
doaj   +1 more source

Outcomes of cystoid macular edema following Descemet’s membrane endothelial keratoplasty in a referral center for keratoplasty in Spain: retrospective study

open access: yesScientific Reports, 2023
The aim of this study was to analyze the outcomes of eyes with visually significant cystoid macular œdema (vs-CMO) after Descemet membrane endothelial keratoplasty (DMEK) in a referral center for keratoplasty in Spain.
Nuno Moura-Coelho   +6 more
doaj   +1 more source

Surfactant protein D contributes to ocular defense against Pseudomonas aeruginosa in a murine model of dry eye disease. [PDF]

open access: yes, 2013
Dry eye disease can cause ocular surface inflammation that disrupts the corneal epithelial barrier. While dry eye patients are known to have an increased risk of corneal infection, it is not known whether there is a direct causal relationship between ...
Evans, David   +4 more
core   +2 more sources

Skeptical Theism [PDF]

open access: yes, 2017
Skeptical theism is a family of responses to the evidential problem of evil. What unifies this family is two general claims. First, that even if God were to exist, we shouldn’t expect to see God’s reasons for permitting the suffering we observe.
Perrine, Timothy, Wykstra, Stephen
core   +1 more source

Categorification of Seidel's representation

open access: yes, 2015
Two natural symplectic constructions, the Lagrangian suspension and Seidel's quantum representation of the fundamental group of the group of Hamiltonian diffeomorphisms, Ham(M), with (M,\omega) a monotone symplectic manifold, admit categorifications as ...
Charette, François, Cornea, Octav
core   +1 more source

The Stiles-Crawford Effect in the Eye of the Blowfly, Calliphora erythrocephala [PDF]

open access: yes, 1985
Stiles-Crawford-like effects (that is, directional sensitivity of the retina) were investigated in the fly’s eye. Intracellular recordings from the visual sense cells were made, and the radiation patterns emerging from the photoreceptors with antidromic ...
Hateren, J.H. van,
core   +1 more source

“If There Were an Eye on the Back of the Heaven…” (Plotinus, Ennead 4.5,3 and 8) [PDF]

open access: yes, 2007
Our paper discusses two curious passages of Plotinus’ treatise On some difficulties concerning the Soul III. On vision (Enn. 4.5,3 and 8), where the philosopher seems to contemplate the possibility of another universe outside this one. Yet we could never
Cornea, Andrei
core   +1 more source

Keratoprostheses for corneal blindness: a review of contemporary devices [PDF]

open access: yes, 2015
According to the World Health Organization, globally 4.9 million are blind due to corneal pathology. Corneal transplantation is successful and curative of the blindness for a majority of these cases. However, it is less successful in a number of diseases
Avadhanam, Venkata   +2 more
core   +1 more source

The variation in transparency of amniotic membrane used in ocular surface regeneration [PDF]

open access: yes, 2010
Background/aims: Scant consideration has been given to the variation in structure of the human amniotic membrane (AM) at source or to the significance such differences might have on its clinical transparency.
Chen, Bo   +7 more
core   +1 more source

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