Eye chart number). The denominator indicates the distance in feet at which a person with normal vision could stand to correctly identify the same symbols identified by the person tested. For example, a visual acuity of 20/20 is considered normal. 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. There is often also a need to test a subject's vision at near or occupational tasks (such as reading or computer use). For these situations, a Rosenbaum
Eye care in Ghana health service provision is done by the Christian Health Association of Ghana. Most of the facilities that CHAG runs have eye clinics and these aid in service delivery in those towns and villages that are situated in. The services that eye care professionals offer are varied and include: The chart below shows the number of eye care professionals in the various regions and also the progress made to restore sight to people with Cataracts in 2005. Despite a population exceeding 2.1 million, the eighteen districts in Ghana's Western Region are among the least resourced in terms of eyecare services. Professional