BARCELONA, Spain — In this Healio Video Perspective from the European Society of Cataract and Refractive Surgeons meeting, Amar Agarwal, MS, FRCS, FRCOphth, shares his experience with pinhole ...

Please provide your email address to receive an email when new articles are posted on . We ophthalmologists are all introduced to pinhole or small-aperture optics on the first day of our residency ...

This DIY projector might be the easiest you ever build. By Sandra Gutierrez G. Updated Apr 5, 2024 3:46 PM EDT We may earn revenue from the products available on this page and participate in affiliate ...

If you don't have solar glasses yet to watch the total eclipse happening April 8, not to worry. The good folks at NASA have an easy way you can view the eclipse by making a box pinhole projector with ...