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.
A HealthyWomen answered. Eye exams are done to test your vision and screen for glaucoma and macular degeneration, two common, often age-related conditions. Eye exams are recommended at least once between ages 20 to 29 and at least two exams between ages 30 and 39. At age 40, get a baseline eye disease screening.