Brand new pinhole glasses!
Suitable for both youth and adults
Looks like sunglasses, coating surface reduces light reflection
Reduce eyestrain
You can wear it indoors and outdoors when reading books, using computer or watching TV
Helps to rectify visual problems caused by ammetropia and accommodation, like myopia, astigmatism and hyperopia
Eliminates the strain, tense and twitch of eye accommodation system to prevent myopia

Size: max. 14 cm in width