Pinhole pupilloplasty is a method to reduce the size of a pupil to as small as a pinhole.Pinhole optics have been used for various indications such as highly irregular astigmatism and corneal scar ...

To make a pinhole projector, you really just need something with a pinhole in it and something that will project an image. You could use two sheets of printer paper, card stock or even paper plates.

Chennai | Chairman of Dr Agarwals Eye Hospital Group, Dr Amar Agarwal, has recently introduced Pinhole Pupilloplasty (PPP) that offered a simple and highly effective alternative to corneal ...

Basically solarigraphic camera is a pinhole camera, very slow one. These pinhole photographs taken with a lensless pinhole camera with a extra long exposure. I use black&white paper which is 5-10 ASA.

Pinhole pupilloplasty has helped change many lives. The idea of small-aperture optics is not only simple but advantageous in cases of high astigmatism. Jack S. Parker, MD, PhD, of Parker Cornea ...

However, if you can't get your hands on those, you can make an eclipse pinhole projector box at home, which could be a fun project for the whole family this weekend. Plus, you probably already ...

Nine of the 13 cameras that the 42-year-old Pasadena native has created since he made his first in 1997 are on view and accompanied by prints made with each machine. Each camera was created with a ...

To convert your SLR camera into a pinhole camera, you need only to take the body-cap and drill a tiny hole in it. This option, which uses the protective cap that came with the body, is free, and ...

Pinhole cameras allow anyone to build a camera from scratch and also learn about those crazy f-stops, exposure times, and focal planes that Instagram just won’t teach you.

Photographic artist Ignas Kutavicius has built a head-mounted pinhole camera that can capture what he calls a 'pinhole selfie'. His device blends a traditional pinhole camera - where a small hole ...