Snellen chart H, K, O, S, 3, U, Y, A, C, E, G, L, 2. The normal Snellen chart is printed with eleven lines of block letters. The first line consists of one very large letter, which may be one of several letters, for example E, H, or N. Subsequent rows have increasing numbers of letters that decrease in size. A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific
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