ANSI/IES LS-7-20—Eye and Brain Visual System
A study from MIT found that the brain can identify entire images that are seen for as little as 13 milliseconds. The optic nerve, the line…
ISO 12312-2:2015—Solar Eclipse Glasses
A solar eclipse is a spectacular, awe-inspiring astronomical event that drastically changes the appearance of the two biggest objects we see in our sky: our…
ANSI Z80.9-2020: Optical Devices For Low Vision
There are at least 2.2 billion people globally with visual impairment, and out of these, at least 1 billion cases could have been prevented with…
ANSI Z80.28-2022: Ophthalmics – Methods of Reporting Optical Aberrations of Eyes
The newly-revised American National Standard ANSI Z80.28-2022: Ophthalmics – Methods of Reporting Optical Aberrations of Eyes contains the following scope: “This standard specifies standardized methods…
ANSI Z80.21-2020: Clinical Visual Acuity Charts
Cover your right eye. Read the letter on the first line. Cover your left eye. Read it again. Now line two, and so on. This…
ANSI/ISEA Z87.1-2020: Current Standard for Safety Glasses
The most recent edition of the American National Standard used for safety glasses, safety goggles, side shields, and other eye and face protection devices is…
ANSI Z80.10-2018, American National Standard for Tonometers
ANSI Z80.10-2018: Ophthalmics – Ophthalmic Instruments – Tonometers, an American National Standard, specifies tonometers. What Are Tonometers? The human eye is a remarkably complex organ,…
ANSI Z80.3-2018, Sunglasses Standard Revision
The American National Standard ANSI Z80.3-2018: Ophthalmics – Nonprescription Sunglass and Fashion Eyewear Requirements has been released. Sunglasses are the epitome of cool. A status…
ANSI Z80.3 – Sunglasses Requirements
ANSI Z80.3, as stated in the standard itself, is meant to “establish standards for noncorrective (essentially plano power) lenses that are intended for attenuation of…