Novel genetic causes for cerebral visual impairment

Low vision due to cerebral visual impairment: differentiating between acquired and genetic causes

BACKGROUND To gain more insight into genetic causes of cerebral visual impairment (CVI) in children and to compare ophthalmological findings between genetic and acquired forms of CVI. METHODS The clinical data of 309 individuals (mainly children) with CVI, and a visual acuity ≤ 0.3 were analyzed for etiology and ocular variables. A differentiation was made between acquired and genetic causes....

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...

Main causes of visual impairment

L-Ball: Designing A Novel Sports Electronic Audio Ball for Visual Impairment Student

Background. A field study conducted by researchers found the balls used by visual impairment students at school basically used the sound by a small bell inside the ball. However, the sound emitted from the ball is very limited, the ball will sound when it is moved. This makes it difficult for students with visual impairments to find a missing ball that not emitted makes a sound. Objectives. A ...

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...