The procedure is a refraction or vision test. The doctor may use a computerized refractor or simply shine a light into your eyes.
Lol id say all above but................its more difficult 2 exercise with all that weight pullin you donw.
Answer:
they allow researchers to know how closely the sample resembles the target population. ... As such, researchers know the percentages of the population based on race, gender, age, education, and a whole host of other demographic characteristics.
Answer:
1234 times 2124 over 7 equals 2621016 over 7
