Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
Examiner
active
No affiliations
Apparatus for visual acuity test
Attachable eyeglasses
LandOfFree
Hugn Xuan Dang does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hugn Xuan Dang, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hugn Xuan Dang will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-863813