Retinal Tear: Causes, Symptoms, and What You Need to Know

When the retinal tear, a small break in the light-sensitive layer at the back of the eye happens, it’s not just a minor annoyance—it’s a medical alert. The retina sends visual signals to your brain, and if it tears, fluid can slip behind it, leading to retinal detachment, a serious condition where the retina pulls away from its supporting tissue. This isn’t rare. About 1 in 10 people with a retinal tear will develop detachment without treatment. It’s not something you can ignore, even if your vision seems fine at first.

Most retinal tears happen as you age. The vitreous, the gel-like fluid inside your eye, shrinks and tugs on the retina. If it pulls too hard, it tears. People over 50, those with severe nearsightedness, or anyone who’s had eye surgery or trauma are at higher risk. But it’s not just about aging. diabetic retinopathy, a complication from diabetes that weakens blood vessels in the eye can also lead to retinal damage over time. If you have diabetes, regular eye checks aren’t optional—they’re your best defense. Even if your blood sugar is under control, the retina can still be at risk.

Symptoms don’t always come with pain, which is why so many people wait too long. You might see sudden floaters—dark spots or strings drifting across your vision. Flashes of light, like camera bulbs going off in your peripheral vision, are another red flag. If you notice a shadow or curtain closing over part of your sight, that’s an emergency. It means the tear has likely turned into detachment. Getting checked within 24 to 48 hours can mean the difference between saving your vision and permanent loss.

Thankfully, treatment is usually simple and quick. Laser surgery or freezing therapy can seal the tear before it worsens. It’s done in the doctor’s office, takes less than an hour, and most people go home the same day. But only if you act fast. Waiting for symptoms to get worse is the biggest mistake people make. You don’t need to wait for blurry vision or pain—those are late signs. The early ones are subtle, and they’re easy to brush off.

What you’ll find below are articles that connect directly to this issue. Some explain how diabetes affects your eyes, others show how medications can impact eye health, and a few cover what to do when something suddenly feels off with your vision. You won’t find fluff here—just clear, practical info that helps you recognize danger, understand your options, and protect your sight before it’s too late.

Olly Steele 26 November 2025

Floaters and Flashes: Understanding Vitreous Changes and When to See a Doctor

Floaters and flashes are common with age, but they can signal serious eye problems. Learn what’s normal, when to worry, and why quick action can save your sight.