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.
The other rows contain letters that are progressively smaller. During an eye exam, your eye doctor will ask you to find the smallest line of text letters that you can make out, and ask you to read it. If you can read the bottom row of letters, your visual acuity is very good.
Distance vision test for adults. This test will measure your distance vision in each eye. Before you take this test, you should know the difference between an eye check or test and an eye exam done by an eye doctor. This test does NOT replace regular eye exams. What you will need: âº What you will need: â¼. 1  a well-lit room a minimum of 10 feet long.