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

Understanding backfocus is essential for getting the best from your telescope or astrophotography setup. This ...

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 a 50-year-old male patient with stabilized keratoconus achieved excellent visual outcomes with an IC-8 small aperture IOL by targeting slight myopia to optimize the defocus ...

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 ...

A yellow-tinted filter can improve contrast sensitivity during visual field testing in patients with early glaucoma.