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Visual Impairment |
Permanent loss of the ability
to resolve text or image detail for near or far targets that cannot be
remedied by ordinary focusing optics is considered
visual
impairment, especially when the loss no longer allows effective and
efficient visual function for standard tasks.
Ben Vision
Research has developed algorithms for more effective object
recognition, especially for luminous displays used by consumers and in
demanding environments. These algorithms can be used by people with
normal or defective vision.
Some of the medical conditions
associated with irreversible visual impairment include amblyopia (lazy
eye), presbyopia, corneal or retinal degenerations, and opacities in the
lens or fluid media of the eye that relate to metabolism, growth, or
trauma. Cataract is considered reversible in most cases, especially by
surgical intervention.
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