Dr. Glen Jeffery

speaker

1,102 appearances 1 recordings 1 series first heard Dec 2025 last heard 1 Dec

Dr. Glen Jeffery’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 1 in all, peaking in Dec 2025 with 1.

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We're doing something more powerful.

That's a problem around this whole industry.

We're doing powerful things.

Now-

Laser light does not scatter evenly when it hits tissue.

It forms something called caustics.

And caustics are the sorts of things you see sometimes on a shallow lake where it's rippling and you get bright spots and you get dark spots.

Those bright spots are what you get in laser light, these caustics, so the energies tripling or quadrupling in certain areas.

So, I mean, I didn't know what a caustic was until I started to talk to physicists.

Never, reiterate on you, never ever use a laser unless there is a profound medical reason for doing so.

And certainly, myopia, which is going to be, it's a ticking time bomb.

No current politician is particularly concerned because it's going to be another person's problem in the future.

So, windows in classes, very important.

And not tinted windows.

Not tinted windows.

We're currently talking about putting a few incandescent lights in.

Schools generally are stretched for money.

And their first reaction is, this is going to cost us a lot more.

Well, the answer actually is put a dimmer switch on the incandescent light bulb.

Even though it appears dim to you, it's still producing loads of infrared light because it's getting warm.

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