Visual Acuity Testing - University of Iowa
Oct 19, 2015 · Visual acuity is a clinical test of the spatial resolving capacity of the visual system. Visual acuity testing determines the ability of the eye to see fine detail.
Contrast Sensitivity Testing - University of Iowa
Oct 19, 2015 · Slide 3 Visual acuity testing allows for the quantification of the degree of high contrast vision loss. Visual acuity testing also monitors stability or progression of disease, as well as the …
Tutorial: Binocular Vision - University of Iowa
Jan 23, 2006 · This direction is relative to the visual direction of the fovea. Fovea, which is the area of the highest visual acuity, is the carrier of Principle Visual direction and is the center to which the …
Visual Field Testing: From One Medical Student to Another
Vision is a combination of distinct measurable functions: visual acuity, color vision, vernier (alignment) acuity, the perception of movement and change in luminous intensity (flicker) or differences in …
General Refraction Techniques Prior to starting your refraction, baseline visual acuities (OD, OS and OU) must be determined. For individuals with near vision complaints, and all presbyopes, near acuity …
Functional Visual Loss - University of Iowa
Mar 6, 2013 · Regardless of the etiology, it is important to have a repertoire of tests to differentiate true functional visual loss from organic visual loss. The approach and tests performed depends on the …
Basic Pediatric Eye Exam - University of Iowa
Sep 11, 2020 · This indicates the field is intact. Test all four quadrants. Visual Acuity Next, we will assess visual acuity. Normal visual responses vary depending on the age of the child. At all ages, …
EyeRounds.org - Ophthalmology - The University of Iowa
Nov 6, 2010 · One method of visual acuity testing in preverbal or nonverbal children is the CSM method. C refers to centrality and can be assessed by the location of the corneal light reflex as the patient …
Pediatric Visual Acuity Testing - University of Iowa
May 9, 2021 · Slide 32 Now you know how to accurately test distance and near visual acuity for children of all ages and developmental levels. Remember, inaccurate acuity testing underestimates the child's …
Optic Neuritis - University of Iowa
Sep 30, 2012 · At 10 years, recovery of visual acuity to ≥20/20 and =20/40 occurred in 74% and 92% of optic neuritis patients respectively, although most patients remain aware of residual abnormalities in …