Jump to content

What is the little device? The Optometrist puts it on your eyes, and he/she can find out your naked eyes' vision directly?

PeterBushMan
in Medical Science

Featured Replies


What is the little device? The Optometrist puts it on your eyes, and he/she can find out your naked eyes' vision directly?

She told me my naked eyes' vision is about (L)10/20, (R) 10/20. which is very correct.

The device is no bigger than a cigar case.

 

Create an account or sign in to comment

https://www.scienceforums.net/topic/128166-what-is-the-little-device-the-optometrist-puts-it-on-your-eyes-and-heshe-can-find-out-your-naked-eyes-vision-directly/
Go to topic listing

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.

Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.