Login Preferences
About News Publications Statistics Downloads API Guide License How to use Preferences
bn:01827690n
Noun Concept
SYL
No term available
EN
A phoropter or refractor is an ophthalmic testing device. Wikipedia
Relations
Sources
IS A
EN
medical device
HAS KIND
EN
optometer
USE
EN
subjective refraction

Please note that, in order to improve your browsing experience on this website, BabelNet® uses various types of cookies, including: browsing functionality, performance and statistical cookies.

By continuing to browse the site you are agreeing to our use of cookies. OK

License