He lost half his vision to glaucoma. Now he’s using AI to help spot disease — but he says tech will never replace doctors.

At 26, Kevin Choi got a diagnosis that changed his life: glaucoma.

It’s a progressive eye disease that damages the optic nerve, often without symptoms until it’s too late. By the time doctors caught it, Choi had lost half his vision.

An engineer by training — and a former rifleman in South Korea’s Marine Corps — Choi thought he had a solid handle on his health.

“I was really frustrated I didn’t notice that,” he said.

The 2016 diagnosis still gives him “panic.”…