The first descriptions of visual defects included those of glaucoma (1750), night blindness (1767), colour blindness (1794), and astigmatism (1801).
Contact lenses most effectively neutralize visual defects arising from irregular curvatures of the cornea.
Pressure on the optic chiasm can result in visual defects or even blindness.
As a result, visual defects may be the earliest evidence of general nervous system disease.
Despite cochlear degeneration specific to hair cells was observed in this type of mice, USH mutant mice do not display visual defects.
Well, if you stepped back and asked what might be an effective therapy for visual defects, first-person shooter games have a lot of what's needed.
They also can be functionally and cosmetically appealing substitutes for eyeglasses to treat myopia (nearsightedness) and other visual defects.
In case of outer car panels, these distortions are considered as visual defects, even though the structural integrity might not be affected.
Ophthalmologists surgically correct visual defects by removing tissue from the cornea, reshaping the transparent outer layer of the eye with intense ultraviolet pulses.
Later sections deal with injuries, ocular conditions associated with systemic disease, disorders of vision, methods of examining the eye, and devices for correcting visual defects.
He showed (1860) that blindness and visual defects connected with cerebral disorders are often traceable to optic neuritis, or inflammation of the optic nerve.
