Optical illusions are mind-bending images that challenge your perception and test your observation skills. There are three types of optical illusions: literal, physiological, and cognitive. Optical ...

Optical coherence tomography is beneficial for measuring visual changes and the impact of comorbidities in MS, NMOSD, and ...

Academic test scores for all subjects in the curriculum were obtained from the local Bureau of Education. Main outcome measure was total test scores for five subjects at the end of grade 9, adjusted ...

E-word visual acuity Test: Every participant consistently checked their uncorrected distance vision from a distance of 5 meters using the E-word visual acuity chart.

Objectives The aim of this study is to quantify the importance of loss of contrast sensitivity (CS) and its relationship to loss of visual acuity (VA), driving restrictions and daytime, on-road ...