結果 : what is 20/40 vision
7:35

What is 2020 vision? (It's not what you think)

Doctor Eye Health
255,631 回視聴 - 4 年前
1:26

20/20 Vision: What Does It Mean?

SwissVisio
16,730 回視聴 - 11 年前
0:54

Is 20 40 vision hard?

Λsk Λbout Horizons
379 回視聴 - 8 か月前
1:34

What is 20/20 Vision?

Fraser Eye Care Center
5,240 回視聴 - 1 年前

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0:22

How does 20 40 vision look like?

Speedy Q&A
70 回視聴 - 3 か月前
0:29

20/40 Vision or Visual Acuity means

LatestFotoCom
2,145 回視聴 - 2 年前
12:25

How to Check Your Patient's Visual Acuity

dkcalgary
2,535,844 回視聴 - 9 年前

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0:50

What Different Vision Prescriptions Look Like | WebMD

WebMD
219,935 回視聴 - 5 年前
1:39

Visual Acuity Test

Nursing Assessment and Skills
174,966 回視聴 - 8 年前
6:05

Using your computer screen - to check for objective 20/40.

Otis Brown
46,128 回視聴 - 7 年前
6:17

Home Eye Test! If you fail, see an EYE DOCTOR!

Michael Chua, MD
3,434,246 回視聴 - 10 か月前
5:26

What Is A Snellen Acuity Eye Chart?

Vision For Life & Success
18,835 回視聴 - 2 年前
1:21

Visual acuity test- Snellen chart

Dr. Constantine
260,589 回視聴 - 7 年前
5:20

what is 20/20 vision (more detailed)

Sunny
371 回視聴 - 8 年前
1:29

Eye Health & Optometry : What Is 20/20 Vision?

ehowhealth
19,156 回視聴 - 15 年前
7:40

ASTIGMATISM vision vs NORMAL vision

Antonio the Optometrist
4,341,385 回視聴 - 3 年前
1:56

How to tell if you need glasses

Insider Tech
1,121,542 回視聴 - 8 年前
1:23

What does "20/20 Vision" mean? Optimal Vision With your Spectacles Glasses.

Visio-Rx
125,584 回視聴 - 13 年前
0:55

Do you have 20/20 vision?

BigKnows
62,125 回視聴 - 9 年前
1:00

What is 20:20 or 6:6 Vision?

London Vision Clinic
47,456 回視聴 - 13 年前