Roca cape lighthouse in Portugal, West most point of Europe ( Cabo da Roca) Vertical. Roca cape lighthouse in Portugal, West most point of Europe ( Cabo da Roca) Vertical. The obelisk with a large white cross at Cabo da Roca. It is a cape which forms the westernmost extent of mainland Portugal and continental Europe.
[Read more about children's eye exams .]. 20/20 vision (or really, 20/20 visual acuity) is considered normal vision, meaning you can read at 20 feet a letter that most human beings should be able to read at 20 feet.
Common misspellings of the acronym include PERLA and perla. An eye exam called pupillary response testing is done to check how someone's nervous system is functioning, especially after a head injury or during a serious illness. An eye exam would be abnormal if the pupils are: 1  not of equal size.  not round (misshapen)