A 3D handheld eye scanner usually refers to a portable retinal / fundus imaging device used by ophthalmologists to capture detailed images of the retina and eye structures for screening and diagnosis.
Portable handheld eye scanner
Captures high-resolution retinal images (about 5 MP)
Works without dilating pupil (non-mydriatic)
Auto-focus imaging
Detects early eye diseases
Connects to tablet / smartphone / PC for telemedicine
Diabetic retinopathy
Glaucoma
Age-related macular degeneration
Retinal vascular problems