8 сент. 2022 г. · Some people with 20/20 visual acuity may have color blindness or slow back-and-forth eye movements for visual tracking.

24 сент. 2024 г. · The axis indicates the position of astigmatism in the eyes. It doesn't indicate the strength of an eyeglass prescription.

8 янв. 2018 г. · It means that the light rays that are entering the eye are bent or refracted more in some directions than in others. My left eye has an axis of 165. Is it normal? - Quora If my contact prescription went from an axis of 180 to 20 ... - Quora Другие результаты с сайта www.quora.com

11 нояб. 2022 г. · The axis number shows the orientation or angle of the eye in degrees ranging from 1 to 180. An axis eye test of 90 will mean that it is a vertical position.

21 февр. 2023 г. · Most values will be 0.00 to +/-20.00. Axis. Axis is the lens meridian that has no cylinder power to correct astigmatism. The axis number helps ...

8 сент. 2021 г. · The axis is the astigmatism orientation. The 20/20 vision is the correct vision for normal eyes. This means that a person can see the object ...

25 сент. 2023 г. · Axis: This number indicates the orientation of the cylinder correction. The axis has a range from 1-180, with 90 being directly in front of the ...

A higher number for the axis does not mean that your prescription is stronger – it simply describes the position of the astigmatism. We recommend you seek ...

Spherical refractive error determines whether your eyes are nearsighted or farsighted. When your distance vision is blurry, this is known as nearsightedness.

5 нояб. 2013 г. · A result of 20/20 means perfect vision, while a visual acuity of 20/40 means you would have to be 20 feet away to clearly read a letter that ...