Results 241 to 250 of about 314,600 (296)

Effectiveness of I-Exercises: A Comprehensive Ocular Exercise Protocol for Reducing Ocular Fatigue Among Students With Myopia in a Randomized Controlled Trial. [PDF]

Cureus
Shah D, Gadhavi BR, Asser PAL, Pitchai P, Suvarna D, Thoufeek FM, Desai V, Shevalkar R.   +7 more
europepmc   +1 more source

Assessment and Clinical Classification of Accommodative Dysfunctions in Non-presbyopic Patients: A Narrative Clinical Review. [PDF]

Cureus
Chrysanthopoulos A, Pateras E, Plakitsi A.   +2 more
europepmc   +1 more source

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Accommodative response to ocular surface pain

Clinical and Experimental Optometry, 2021
The discovery of an accommodative response to ocular surface stimulation could inform clinicians and patients that optical effects may occur due to ocular discomfort and perhaps an assessment of the accommodative system after carrying out interventions impacting the ocular surface, may be warranted.There have been no previous reports evaluating the ...
Emmanuel B Alabi, Trefford L Simpson
openaire   +2 more sources

The Effect of Accommodation on Ocular Shape

Optometry and Vision Science, 2002
ABSTRACT: Purpose. Ocular shape is altered in myopia, and accommodation during nearwork is a proposed risk factor for myopia. Using relative peripheral refractive error (RPRE), ocular shape was assessed before, during, and after a period of sustained nearwork to determine whether accommodation ...
Terry W, Walker, Donald O, Mutti
openaire   +2 more sources

Spectral bandwidth and ocular accommodation

Journal of the Optical Society of America A, 1995
Previous studies have suggested that targets illuminated by monochromatic (narrow-band) light are less effective in stimulating the eye to change its focus than are black-white (broadband) targets. The present study investigates the influence of target spectral bandwidth on the dynamic accommodation response in eight subjects. The fixation target was a
K R, Aggarwala, E S, Kruger, S, Mathews, P B, Kruger   +3 more
openaire   +2 more sources

Ocular Aberrations and Accommodation

Ophthalmic and Visual Optics, 1992
It has been generally considered that on the visual axis in monochromatic light, the eye is limited only by diffraction effects for pupil diameters up to 2mm1 and thereafter is predominantly affected by spherical aberration. Most eyes are considered to suffer from positive spherical aberration when unaccommodated, which tends to negative spherical ...
David A. Atchison, Michael J. Collins, Christine F. Wildsoet   +2 more
openaire   +1 more source

Effect of accommodation of the lens on ocular pressure

Irish Journal of Medical Science, 1995
In a randomised single blind trial, eye pressures were significantly (p < 0.01) lower in a group (n=33) of subjects who read for 15 minutes than in a control group (n=33).
J, Blake, T, Horgan, P, Carroll, J, Stokes, P, Fitzpatrick   +4 more
openaire   +2 more sources

Perceptual detectability of ocular accommodation microfluctuations

Journal of the Optical Society of America A, 1989
When the eye fixates a stationary stimulus, the power of the lens is known to change rapidly and continuously. Although the basic characteristics of this fluctuating activity are known and the influencing factors have been identified, their exact role in the control of accommodation is uncertain. It is thought that, for the fluctuations to be useful, a
B, Winn, W N, Charman, J R, Pugh, G, Heron, A S, Eadie   +4 more
openaire   +2 more sources