Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
621,209 results
In this presentation, Sarah Sunshine, MD, assistant professor of ophthalmology, discusses the criteria, risk, symptoms, and ...
16,807 views
3 years ago
Causes of dry eye disease include LASIK laser eye surgery, but there are dietary approaches to prevention and treatment.
86,107 views
9 years ago
