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Pinhole glasses be:clear
Pinhole glasses be:clear
Pinhole glasses be:clear
Pinhole glasses be:clear
Pinhole glasses be:clear
Pinhole glasses be:clear
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Pinhole glasses be:clear

  • Pinhole glasses - user looks through any of the many small holes in the material. These holes have the effect of reducing the width of the bundle of diverging rays (called a "pencil of light") coming from each point on the viewed object.
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Pinhole glasses

User looks through any of the many small holes in the material. These holes have the effect of reducing the width of the bundle of diverging rays (called a "pencil of light") coming from each point on the viewed object. Normally, the full opening of the pupil admits light. It is the improper bending of the outermost rays in that pencil of light which causes refractive errors such as myopia, hyperopia (farsightedness), presbyopia (diminished focusing range with age) and astigmatism to be noticeable.

Pinholes can bring about clearer vision in all these conditions. By blocking these peripheral rays, and only letting into the eye those rays which pass through the central portion of the pupil, any refractive error in the lens or cornea is not noticed as much. The pupil may be wide open, but only the central portion is receiving light. The improvement in visual acuity can be striking.

Longlasting effects can be achived after 6 weeks of regular using. Start wearing from some minutes daily and increase to 2-3 hours a day. 

Caution: do not use while driving, biking etc. and during other activities where the detailed seeing is important. 

Symbol
5903181049712
Producer code
5903181049712
Warranty
Weight with packaging (g)
55
Master carton (pcs.)
(insert 10)
24 months
24 months
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