Glasses and Contact Lens Prescription Explained | Eyes Explained

Optometrist, Dr Pricilla Ho (O.D.), goes through what each part of your spectacle and contact lens prescription mean and why it might be required. We will also explain what short-sightedness (myopia), long-sightedness (hyperopia) and presbyopia are.

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Time Stamps:
00:00 - Introduction
00:17 - How our eyes work
00:59 - Glasses prescription explained
01:12 - Sphere
01:54 - Cylinder/Astigmatism
03:07 - Addition
03:41 - Prism
04:23 - Pupillary distance
04:44 - Contact lens prescription explained
04:52 - Contact lens brand name
05:10 - Base Curve
05:39 - Lens diametre
06:12 - Expiry date & Signature

**Edit at 04:22 I meant base IN and OUT not base left or right**

Thanks for watching!
** Disclaimer: The information in this video is intended to serve as educational information only and is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace a consultation with your own optometrist/ophthalmologist/health care provider. **

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Credits:
Music: Chill - Sakura Hz.   / sakurahertz  
Addition sound effects from: https://www.zapsplat.com/