It's easy to buy contact lenses from home — you just need to know what to look for. We spoke with eye care specialists and ...

Cataract surgery removes the clouded lens of the eye and replaces it with a new, clear lens. Ivan-balvan/iStock via Getty Images Plus ...

A new social media trend is making headlines: Methylene blue is being touted as a cognitive booster and antiaging miracle. Influencers such as Ben Greenfield are promoting the use of this chemical ...

He has bifocals now, glasses that allow him to focus on close objects like magazines, loose change and his phone, which doubles as a card reader for cashless transactions, and also on things further ...

“First of all, it’s multifocal, meaning it affects multiple areas in the brain. And it’s not always the same areas that are producing seizures. It might be one area for a few years and then move to a ...

Ford said the ophthalmologist cleaned her glasses and insinuated that she wasn’t wearing her bifocals as expected and to give her eyes time to adjust to her prescription. Rhone followed the ...

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Abstract: Brain-computer interface (BCI) based on steady- state visual evoked potentials (SSVEP) is a popular paradigm for its simplicity and high information transfer rate (ITR). Accurate and fast ...