Dec 4, 2023 · It is really just to do with feet and metres. 6/6 means you see at 6 metres what an average person can see at six metres, and 20/20 is the ...

Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an animal's ability to recognize small details with precision.

This sophisticated radio features an 8-model memory, assignable switches, throttle lock, dual timer and two slider switches. Plus, with the shift select ...

Jul 29, 2017 · 6/6 vision means that the patient/viewer is able to read at a distance of 6 meters what a normal adult person with normal vision is able to read ...

The SAI series of optical sights provide a rugged and versatile solution for a variety of sighting requirements in variable magnification.

24 Followers, 14 Following, 24 Posts - See Instagram photos and videos from 6/6 optics (@66optics)

Mar 14, 2024 · SAI Optics™ Model SAI 6™ - Black ; Objective lens diameter, 24mm ; Eyepiece diameter, 46mm (1.81in) ; Field of View @ 1x, 22 degrees (38.8m @ 100m).

We measured contrast sensitivity by means of Arden grating plates in 41 eyes with acute optic neuritis and in 51 eyes with resolved optic neuritis. ... 6/6 with ...

SAI Optics™ Model SAI 6™ - Coyote Brown ; Magnification, 1x-6x ; Length, 256mm (10.07in) ; Width, 67mm (2.64in) ; Height, 53mm (2.09in) ; Weight, 510g (18.0oz).