Metrics of retinal image quality predict visual performance in eyes with 20/17 or better visual acuity
RA Applegate, JD Marsack… - Optometry and vision …, 2006 - journals.lww.com
… Our results indicate that the correlation between image quality and visual acuity is higher
for letters of low contrast on a dim background because of the greater individual variation in …
for letters of low contrast on a dim background because of the greater individual variation in …
[HTML][HTML] Change in visual acuity is highly correlated with change in six image quality metrics independent of wavefront error and/or pupil diameter
A Ravikumar, EJ Sarver, RA Applegate - Journal of vision, 2012 - iovs.arvojournals.org
… It is still not clear if metrics of image quality correlate well with visual acuity independent
of … in visual acuity and the change in 30 image quality metrics for a range of optical quality …
of … in visual acuity and the change in 30 image quality metrics for a range of optical quality …
Visual acuity and image quality in 5 diffractive intraocular lenses
… ) compared the through-focus image quality obtained at the optical bench … image quality
metric based on cross-correlation coefficients was used to describe through-focus image quality…
metric based on cross-correlation coefficients was used to describe through-focus image quality…
[HTML][HTML] Change in visual acuity is well correlated with change in image-quality metrics for both normal and keratoconic wavefront errors
… Abstract We determined the degree to which change in visual acuity (VA) correlates with
change in optical quality using image-quality (IQ) metrics for both normal and keratoconic …
change in optical quality using image-quality (IQ) metrics for both normal and keratoconic …
[PDF][PDF] Visual acuity
AJ Jackson, IL Bailey - Optometry in Practice, 2004 - researchgate.net
… image quality is, however, more complex because superimposed on diffractive blur are
degradations in image quality … of rays that converge to form the image on the retina has an apex …
degradations in image quality … of rays that converge to form the image on the retina has an apex …
Optical quality of the eye in subjects with normal and excellent visual acuity
EA Villegas, E Alcón, P Artal - … ophthalmology & visual science, 2008 - iovs.arvojournals.org
… With regard to overall retinal image quality, we … quality without a clear relationship with
acuity. In addition, subjects with the best acuity did not necessarily have the best optical quality by …
acuity. In addition, subjects with the best acuity did not necessarily have the best optical quality by …
[PDF][PDF] Standards for visual acuity
E Messina, JM Evans - ASTM International Task Group E54. 08.01 On …, 2006 - nist.gov
… Visual acuity is defined as the ability to read a standard test … are measures of image quality
or imaging or printing system quality, … The MTF defines the ability of an imaging system to …
or imaging or printing system quality, … The MTF defines the ability of an imaging system to …
Functional visual acuity
M Kaido - Investigative ophthalmology & visual science, 2018 - iovs.arvojournals.org
… Dry eye (DE) causes irregularity of the ocular surface and reduces the quality of vision.
An intact, regular tear film is essential for high-quality retinal images; however, visual tasks …
An intact, regular tear film is essential for high-quality retinal images; however, visual tasks …
Six just-noticeable differences in retinal image quality in 1 line of visual acuity: toward quantification of happy versus unhappy patients with 20/20 acuity
A Ravikumar, RA Applegate, Y Shi… - Journal of Cataract & …, 2011 - Elsevier
… image of a diffraction-limited (6.0 mm pupil) logMAR chart and represents the best retinal
image quality … loss in retinal image quality letter quality but not enough to change acuity. Finally, …
image quality … loss in retinal image quality letter quality but not enough to change acuity. Finally, …
Predicting subjective judgment of best focus with objective image quality metrics
X Cheng, A Bradley, LN Thibos - Journal of Vision, 2004 - jov.arvojournals.org
… Measured visual acuity was correlated with 31 different metrics of image quality to … We
anticipated that objective measures of optical quality that are well correlated with visual acuity are …
anticipated that objective measures of optical quality that are well correlated with visual acuity are …
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