Methods Data from 184 records of African black subjects with asthenopic complaints and a
normal ocular examination between January 1996 and December 1998 were considered …

OBJECTIVE: To evaluate the relationship of asthenopic symptoms (Headache, watering,
blurry vision, diplopia) with refractive errors including hypermetropia, myopia, astigmatism …

Purpose To determine the prevalence of asthenopia and some of its determinants in a
population of Iranian university students Methods In this cross‐sectional study, multi‐stage …

Purpose. Any of several conditions can cause asthenopia. The purpose of this study was to
determine whether the particular sensations or their location vary dependent on the …

BACKGROUND: Asthenopia is tiredness, uncomfortable, ocular fatigue, decreased reading
ability, blurred vision diplopia, irritation pain in and around the eye. The presence of one or …

Objective: To design a valid and reliable questionnaire to determine various causes of
asthenopia for use by clinicians and researchers. Methods: The items to be included in the …

RESULTS Thirteen of the 23 patients were male. The age of 17 of these patients was 10 to
20 years, the average of the entire group being 18 years. Visual acuity without glasses was …

Objective: To design a visual fatigue questionnaire that can be used for population surveys.
Methods: This was a cross-sectional study that involved three stages of subjects' recruitment …

Objective: To evaluate the prevalence of asthenopia in a cohort of bank employees and
identify possible associated risk factors. Methods: Cross-sectional study based on …

Background The purpose of this study was to identify the possible association between
mental status and the risk of self-reported asthenopia among college students in China …