Vision through an abnormal cornea: A pilot study of the relationship between visual loss from corneal distortion, corneal edema, keratoconus, and some allied corneal pathology
Hess, Robert F. & Carney, Leo G. (1979) Vision through an abnormal cornea: A pilot study of the relationship between visual loss from corneal distortion, corneal edema, keratoconus, and some allied corneal pathology. Investigative Ophthalmology and Visual Science, 18(5), pp. 476-483.
Visual function was assessed by classic acuity measures as well as contrast thresholds over a wide spatial frequency range for subjects with experimentally induced corneal distortion and induced corneal edema. These results were compared with similar results for patients with uniocular keratoconus, bilateral keratoconus, and allied corneal pathology. Distortion and edema were found to produce characteristically different types of contrast attenuation at threshold (amplitude) and have quite different suprathreshold abnormalities (phase) for objects within the resolution limit and therefore could form the basis of a useful functional classification of the visual degradation from corneal pathology.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see link) or contact the author. Author contact details: firstname.lastname@example.org|
|Keywords:||Vision, Corneal Diseases/, physiopathology, Vision Disorders/, physiopathology, Cornea/pathology, Corneal Diseases/pathology, Edema/physiopathology, Humans, Keratoconus/physiopathology, Light, Vision Tests/instrumentation, Vision Tests/methods, Visual Acuity|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
|Copyright Owner:||Copyright 1979 Association for Research in Vision and Ophthalmology|
|Deposited On:||30 Jan 2006 00:00|
|Last Modified:||15 Jan 2009 06:54|
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