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The Crossword Solver found 30 answers to "Able to be measured (12)", 12 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results.
The Crossword Solver found 30 answers to "able to be measured 12 letters", 12 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues.
The Crossword Solver found 30 answers to "Able to be tested (10)", 10 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues.
Developed by Dr Hermann Snellen in the 1860s, the Snellen letter eye test chart features capital letters in rows of descending sizes and is used by opticians to test visual acuity. In a Snellen chart each row of letters represents the minimum size of letter that a person with normal vision would be able to see at six metres, nine metres and ...
21 Μαρ 2014 · Letter charts are not only used to measure visual acuity, they are also used as targets for subjective refraction. This is the main reason distance acuity is measured more often than near acuity. At a long distance, accommodation is relaxed, so that the refraction can be more accurate.
4 Μαρ 2022 · The first line has one very large letter. Each row after that has increasing numbers of letters that are smaller in size. You stand 20 feet away from the Snellen chart, and read from it without your glasses or contacts.
29 Δεκ 2023 · The Snellen eye chart is read by covering one eye and reading aloud the letters on the chart, beginning at the top and moving toward the bottom. The smallest row of letters that the patient reads accurately determines visual acuity in the uncovered eye.
