refraction error


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refraction error

[ri′frak·shən ‚er·ər]
(navigation)
An error due to refraction, particularly such an error in a sextant altitude, due to atmospheric refraction.
References in periodicals archive ?
Refraction Error occurs when the electromagnetic waves move between the materials that have different dielectric constant from each other.
The amount of refraction error is proportional to the square of the length of the line of sight;
It will work as Hub to treat all types of Eye ailments- from Refraction Error Correction, Cataract Surgery, Advanced Lasik, Retinal Disorder, Paediatric Ophthalmology, Squint, Oculoplasty, emergency eye care, Computer vision syndrome, Ocular Oncology with the latest diagnostic & treatment modalities.
He states that the technique may facilitate patients' early recognition of certain conditions such as keratoconus, refraction errors, corneal rejection, and uveitis, and will allow patients to take ocular self-images and share them with a physician in urgent situations (see pages 130-132).
Aside from the anti-radiation glasses, the children who were diagnosed with refraction errors were provided with graded eyeglasses to help them improve their vision.
Relationship between high-order aberrations and age and between high-order aberrations and refraction errors.
et al (5), cornea sparing lasik was done on142 eyes with ablation of corneal flap and in some cases, also stromal bed for SE refraction errors ranging from -0.
ClickPress, Wed Apr 16 2014] Contact lenses continued its penetration in Indonesian market despite use by a small share of population with vision refraction errors compared to spectacles' penetration.
But all children born prematurely should be examined for refraction errors.