Results 361 to 370 of about 646,363 (390)

What is the appropriate age cut‐off for cycloplegia in refraction?

Acta ophthalmologica, 2014
P. Sanfilippo, B. Chu, O. Bigault, L. Kearns, M. Boon, T. Young, C. Hammond, A. Hewitt, D. Mackey   +8 more
semanticscholar   +1 more source

All-angle negative refraction and active flat lensing of ultraviolet light

Nature, 2013
Ting Xu, A. Agrawal, M. Abashin, K. Chau, H. Lezec   +4 more
semanticscholar   +1 more source

Nasal-temporal asymmetry in peripheral refraction with an aspheric myopia control contact lens

Biomedical Optics Express, 2020
Durgasri Jaisankar, Pete Kollbaum, Matt Jaskulski   +2 more
exaly  

Acoustic Metamaterials: Negative Refraction, Imaging, Lensing and Cloaking

, 2013
R. Craster, S. Guenneau
semanticscholar   +1 more source

Refraction

American Journal of Ophthalmology, 1918
openaire   +2 more sources

Is an objective refraction optimised using the visual Strehl ratio better than a subjective refraction?

Ophthalmic and Physiological Optics, 2017
Gareth D Hastings, Raymond A Applegate
exaly  

THE REFRACTION FAILURE

International Ophthalmology Clinics, 1965
openaire   +3 more sources

Time course of the effects of orthokeratology on peripheral refraction and corneal topography

Ophthalmic and Physiological Optics, 2013
Helen A Swarbrick
exaly  

Trends in Refraction

American Orthoptic Journal, 1957
openaire   +3 more sources

Refraction in Aphakia [PDF]

Clinical and Experimental Optometry, 1942
openaire   +2 more sources