Age-Specific Causes of Bilateral Visual Impairment

Age-specific causes of bilateral visual impairment.

OBJECTIVES To describe the age-specific prevalence of common eye diseases causing bilateral visual impairment and estimate the total number of Australians with cause-specific visual impairment. METHODS Cluster-stratified random sample of 5147 residents aged 40 years and older from urban and rural areas and aged-care facilities. Participants completed a standardized interview and eye examinati...

Five-year incidence of bilateral cause-specific visual impairment in the Melbourne Visual Impairment Project.

PURPOSE To describe the age-, gender-, and cause-specific 5-year incidence of bilateral visual impairment in participants in the Melbourne Visual Impairment Project, Victoria, Australia. METHODS Participants aged 40 years and older were recruited from Melbourne, Victoria, Australia, by random cluster sampling. The mean age of the 3271 (83% of the eligible) participants was 59 +/- 12 (SD) year...

Main causes of visual impairment

Causes of Spelling Weaknesses in Students with Visual Impairment and Teaching Strategies for Spelling Improvement

Background: Spelling is characterized as a basic skill for the children’s writing literacy. A wide range of factors may contribute to the formation and/ or intensification of problems related to teaching writing competencies, so that spellings come with a serious challenge called “invented spelling”. It is also a major concern for teachers and parents of children with visual impairments. Theref...

Age-specific prevalence and causes of blindness and visual impairment in an older population: the Rotterdam Study.

OBJECTIVE To study the prevalence and causes of blindness and visual impairment in various age categories of a large population-based study. METHODS For the study, 6775 subjects aged 55 years or older underwent an extensive ophthalmologic screening examination, including measurements of visual acuity and the visual field and fundus photography. The causes of blindness or visual impairment wer...