Filters can make or break your astrophotography, but how do they really work with your scope? Dive into the science and ...

The search for a universal longarm—one suitable for both hunting and defensive scenarios—is a trek that involves a bit of ...

A small missed detail can lead to major issues with your telescope. In this video, I show you the key focuser screws you need to check — especially if you're using a Newtonian reflector. Don't let ...

A panelist discusses how a 40-year-old female patient seeking freedom from glasses experienced a complicated course with a light adjustable lens that resulted in poor visual quality and 22 clinic ...

A panelist discusses how the IC-8 Apthera small aperture IOL functions as a pinhole-based optical system that blocks distorted peripheral light while allowing focused light from both distance and near ...

In tests with volunteers, the device successfully captured color images of the retina, showing features such as the optic disc, blood vessels, and macula. Importantly, the images could be refocused ...

In patients with keratoconus, scleral lens wear is associated with better quality of life outcomes compared with corneal ...