Smithsonian Magazine on MSN

Here’s How to See Two Comets and a Meteor Shower Light Up the Sky This Month

Skywatchers are anticipating prime viewing conditions for an annual showing of shooting stars and two comet flybys ...
Healio

Size V stimulus in 10-2 visual field test could be useful in early advanced glaucoma

A size V stimulus in a 10-2 visual field test in advanced glaucoma can be more useful than a size III stimulus and may have value in early stages of advanced disease, according to a speaker at Academy ...