notwarriors
notwarriors notwarriors
  • 14-01-2021
  • Health
contestada

What is the meaning of the two numbers used in the Snellen Eye Chart?

Respuesta :

7lilbug7
7lilbug7 7lilbug7
  • 14-01-2021
These numbers measure your visual acuity, so if you have 20/20 vision, you can clearly see at 20 feet what normally should be seen at that distance, according to the American Optometric Association
Answer Link

Otras preguntas

A science class has 3 girls and 7 boys in the seventh grade and 2 girls and 2 boys in the eighth grade. The teacher randomly selects a seventh grader an
A lamp shade has a radius of 9 inches. What is the circumference of the top of the shade? Use 3.14 to approximate pi. Round your answer to the nearest whole num
Need help with the second answer, first one is correct
A projectile is fired with an initial speed of 51.2 m/s at an angle of 44.5 degrees above the horizontal on a long flat firing range. Determine the following: a
Can somebody who is good at Math help me with this question please?...
Consider expression 2 1/2 - (3/4+5/8)
The interation between two waves that meet is called?
PLZZZ HELPPPPPPPP WITH THE FIRST ONE
Is 4 to 7 the same as 7 to 4? Explain why or why not.
10:20 in the lowest term