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This test allows for the assessment of grating acuity, especially in children who possess severe or multiple visual deficiencies. The "LEA Gratings Test" has also been shown to be successful in vision testing of children with brain damage and is the only test that can reveal their limited capacity for the processing of large numbers of parallel ...
Primary congenital glaucoma is classified into three subtypes: [4] true congenital glaucoma, which causes signs of increased intraocular pressure within the first month of life, infantile glaucoma, which presents between one month and three years, and; juvenile glaucoma, which becomes clinically apparent after three years of age and before age 40.
Glaucoma is a group of eye diseases that can lead to damage of the optic nerve. The optic nerve transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. [5]
The Paediatric Glasgow Coma Scale (British English) or the Pediatric Glasgow Coma Score (American English) or simply PGCS is the equivalent of the Glasgow Coma Scale (GCS) used to assess the level of consciousness of child patients.
In populations above the age of 40, neovascular glaucoma has a prevalence of 0.4% worldwide. [8] The incidence of pigmentary glaucoma decreases with age while in exfoliation syndrome the incidence increases with age. [2] However, given the derived nature of secondary glaucoma, there may be no significant association between age, ethnicity or ...
It is expressed as a percentage of visual function; with 100% being a perfect age-adjusted visual field and 0% represents a perimetrically blind field. The pattern deviation probability plot (or total deviation probability plot when MD is worse than -20 dB) is used to identify abnormal points and age corrected sensitivity at each point is ...
An example of the Landolt C eye chart (also known as the Japanese eye chart.). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]
Glaucoma refers to a group of eye diseases that damage the optic nerve and cause vision loss and blindness. Open-angle glaucoma is the most common form of glaucoma in the United States. Most clinical trials focus on managing open-angle glaucoma by reducing intraocular pressure (IOP), the only known modifiable risk factor for glaucoma.
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