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Insights & Inspiration

The OKO Journal

Expert insights on dry eye care, sleep wellness, and the art of luxurious self-care.

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OKO
tearseye science

The Science of Tears: Why Your Eyes Need Three Types

Your tears are more complex than you think. Understanding the three-layer structure of your tear film explains why so many eye comfort products miss the mark.

April 2, 2025Read

Showing 1–7 of 7 posts

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allergiesdry eye

Allergies vs. Dry Eye: How to Tell the Difference

Red, itchy, watery eyes could be allergies or dry eye — and the treatments are completely different. Here's how to figure out which one you're dealing with.

March 26, 2025Read
OKO
MGDdry eye

Meibomian Gland Dysfunction: The Dry Eye Cause Your Doctor Might Miss

MGD is responsible for up to 86% of dry eye cases, yet many people have never heard of it. Here's what it is and why it matters.

March 5, 2025Read
OKO
screen timedry eye

The Screen Time–Dry Eye Connection: What 8 Hours of Screens Does to Your Eyes

The average American spends over 7 hours a day looking at screens. Here's exactly what that does to your eyes and how to minimize the damage.

February 12, 2025Read
OKO
CPAPdry eye

CPAP and Dry Eyes: Why It Happens and How to Fix It

If your CPAP machine is making your eyes dry and irritated, you're not alone. Here's why it happens and what actually works to solve it.

February 5, 2025Read
OKO
lagophthalmosdry eye

What Is Nocturnal Lagophthalmos? Signs You Sleep With Your Eyes Open

Up to 20% of people don't fully close their eyes during sleep. Here's how to tell if you're one of them and what it means for your eye health.

January 22, 2025Read
OKO
dry eyesleep

Why Dry Eyes Are Worse at Night (And What You Can Do About It)

If you notice your eyes feel driest right before bed or first thing in the morning, you are not imagining it. Here is why nighttime makes dry eye worse and how to fight back.

January 15, 2025Read