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.
On this page: Eye exam cost â¢ When to have your eyes examined â¢ What to bring to your eye exam. Common questions about eye exams include: How much does an eye exam cost? How frequently should I have my eyes examined? What should I bring with me to my exam? These guidelines can help you prepare for your next (or first) eye exam. The first step in preparing for an eye exam is finding a doctor near you.