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Name: Gastroenterology nursing : the official journal of the Society of Gastroenterology Nurses and Associates
Low vision in childhood is a significant barrier to learning and development, particularly for reading and education. Optical low vision aids may be used to maximise the child's functional vision. The...
Colour vision in the marine environment is on average simpler than in terrestrial environments with simple or no colour vision through monochromacy or dichromacy. Monochromacy is found in marine mamma...
As the number of people older than 65 years in the United States increases, the home care population will increase as well. Many of these patients will have several chronic diseases, including those r...
This study will determine if the interdisciplinary team low vision rehabilitation program is more effective than basic low vision care provided by an optometrist working alone in improving...
Vision loss can result in feelings of frustration, helplessness, anxiety, depression, and anger, which compromise a person's activities of everyday living. While emotional distress may res...
The purpose of this study is to see if Stendra causes any changes in vision, eye pressure, pupil dilation, and color vision in healthy males.
The primary purpose of this research study is to evaluate the effectiveness of a new outpatient low vision rehabilitation program that is targeted to serve legally blind veterans with cent...
1. Purpose a. Examination on Efficacy of Retina Projection System 2. Patients a. Low vision patients 3. Methods 1. Vision aids ...
Vision considered to be inferior to normal vision as represented by accepted standards of acuity, field of vision, or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g., MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY, etc.).
Persons with loss of vision such that there is an impact on activities of daily living.
Application of tests and examinations to identify visual defects or vision disorders occurring in specific populations, as in school children, the elderly, etc. It is differentiated from VISION TESTS, which are given to evaluate/measure individual visual performance not related to a specific population.
Defects of color vision are mainly hereditary traits but can be secondary to acquired or developmental abnormalities in the CONES (RETINA). Severity of hereditary defects of color vision depends on the degree of mutation of the ROD OPSINS genes (on X CHROMOSOME and CHROMOSOME 3) that code the photopigments for red, green and blue.
Failure or imperfection of vision at night or in dim light, with good vision only on bright days. (Dorland, 27th ed)