When getting glasses, what is the little house you see in the ophthalmometer for?

Feedback
Report

0 View PremiumOct 11, 2025

Repost is prohibited without the creator's permission.

lilunkexue

3 Followers · 1.2K Videos

Recommended for You

All
Anime

2:21

What is the "Rope Effect"? Why does honey spiral as it falls?

lengkepu

0 View

0:49

How to draw a circle?

lilunkexue

292 Views

3:47

You May Never Open This Video

Haoqixinhuishe

25 Views

2:28

Hole replacements and sprinkler head repairs at the golf course

yaki1

17 Views

1:02

The “torture device” that leaves athletes’ vocal cords hoarse

yaki1

12 Views

1:00

Why can a flame gun refurbish plastic?

yuzhouguanya

30 Views

3:16

The Beauty of Mechanics.

kepuwanwu

18 Views

2:45

Ma Dong-seok, Korea's first physical anesthesiologist

kukuxiaoyua

692 Views

14:44

Milky pools, forests of flesh, a lavish feast by the sea—there’s just too much to take in! “Foodie 3

buoudianying

137 Views

3:01

Flesh is frail, machines ascend

yaki1

14 Views

3:45

How do you weld a large pipe to a small pipe?

jixiepangke

30 Views

5:27

Explore and Discover

haoyongwujingongju

8 Views

5:36

Skilled Worker of the “Men’s Speed Bump”

yaki1

45 Views

4:53

Electromagnetic experiment

Tonghuaxiaoze

596 Views

2:07

Amazing! Watch 28 types of mechanism principles in one go.

haoyongwujingongju

28 Views

1:38

Making an "oh" sound can summon mosquitoes?

lilunkexue

13 Views

1:53

Why You Should Stay Away from Icy Lake Surfaces

yaki1

19 Views

4:04

The Speed Bump: The Skilled Worker Series!

jixiepangke

18 Views

3:01

Girl lets out a desperate scream as she loses strength while rock climbing

yaki1

15 Views

2:44

The Production Process of Low-Cost Dolls

yaki1

136 Views