11 Signs Your Worsening Eyesight Is A Serious Issue, According To Experts

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While it's normal for your vision to change slightly as you get older, suddenly worsening eyesight often points to a serious issue. Whether it's blurriness that's cropped up overnight, or the sudden appearance of floaters (those specks or particles that swirl in your eyes), vision changes are not something you should take lightly.

Not only is worsening eyesight a signal that something is wrong with your peepers, but it's often a sign of an underlying health condition — and usually one that needs to be treated ASAP. If your eyes are bothering you, or you notice any changes, definitely make an appointment with your eye doctor to figure out what's up.

And, while you're at it, make it a habit to get your vision checked frequently — whether you're experiencing symptoms or not. "Make sure to get your eyes checked every two years max," Dr. Scott Schreiber tells Bustle. "The earlier you check, the better chance [you have] of fighting off diseases." Because, as is true for most health issues, the earlier your doctor can catch a problem the better chance you have of recovering. And, of course, the better chance you have of preventing irreversible damage. Read on for some signs your eye troubles may be a sign of a serious issue.

1. You See A Gray Shadow In Your Vision

If you notice a gray shadow in your eye, don't wait around for it to go away. As health writer Katherine Lee said on EverydayHealth.com, "... a gray curtain moving across your field of vision could be [a sign] of a detachment of the retina — the nerve layer in the back of the eye that sends images to the brain." If not treated quickly it can lead to blindness, so get thyself to a doctor ASAP.

2. Your Face Feels Tingly

If you experience vision changes as well as a tingling in your face, it is most definitely an emergency. As Schreiber tells me, these are two signs of a stroke, which is clearly a reason to seek immediate medical help.

3. You Lose Vision In One Eye

I'd hope if you lost vision in one eye you'd go immediately to the ER. But really, it's surprising how often people don't notice or think it's not a big deal. As Schreiber says, "Losing half or part of vision in one eye can be a sign of a brain tumor or mass in the brain." And that's obviously something that needs to be treated right away.

4. You See Black Spots In Your Vision

Black spots in your vision, as well as blurriness, may be a sign of an eye condition known as macular degeneration. So these are two symptoms you don't want to keep to yourself. "A diagnosis of macular degeneration early on can help patients prevent advancement of the disease," board-certified ophthalmologist Dr. Jean Keamy tells Bustle. "Treatment options for macular degeneration include vitamin therapy, lifestyle changes, and sometimes injections into the eye."

5. You Suddenly Have A Lot Of Floaters

While a few floaters in your field of vision is usually OK, it's not so normal to have a sudden onslaught of tiny particles swirling across your eye. According to Lee, this can be another sign of a retinal tear or retinal detachment. If you get yourself treated quickly, it can be fixed via surgery.

6. You See Halos Around Lights

Have you noticed halos or circles when you look at lights at night? If so, it could be a sign of an eye disease called glaucoma. As noted on WebMD.com, "Glaucoma is a condition that causes damage to your eye's optic nerve and gets worse over time." Usually it has to do with the pressure in your eye, which can be alleviated (and controlled) with eye drops or surgery.

7. You Have A Sensitivity To Light

As health writer Christine Case-Lo said on Healthline.com, "With age, the proteins inside your lens can clump together turning the lens from clear to cloudy." This is what's known as a cataract, and it can cause a sensitivity to light along with clouded or blurred vision, and a need to frequently change your eyeglasses prescription. Cataracts won't go away on their own, so make sure you tell your eye doctor if you notice any of these signs.

8. You Can't See Well At Night

Not being able to see well at night might be a sign of a serious issue, Keamy tells me. While it generally affects older people, it is another symptom of cataracts worth watching out for. (No pun intended.)

9. You're Experiencing Symptoms Of Diabetes

Does diabetes run in your family? And if so, have you been tested for the disease? If not, it may explain your worsening vision. According to an article on WebMD.com, high blood sugar can cause your eye lens to swell, which can lead to blurry vision. While it doesn't seem like a big deal, blurry vision is definitely not something you should ignore.

10. You Have Pain In Your Eyes

Any type of eye pain shouldn't go on ignored, especially since it can be a sign of underlying issues. As Schreiber tells me, one cause could be a condition known as optic neuritis. This is the inflammation of your optic nerve, and often occurs in people who have multiple sclerosis. While not the most common cause for eye pain, it's still something you should discuss with your doctor.

11. You Have Persistent Discomfort

Eye pain for no reason is one thing. But if you experience eye discomfort after, say, drilling or hammering, it could be cause for concern. As Lee said, "Have your eyes checked out by a doctor to make sure that you don’t have a foreign particle in the eye, which can cause an infection." And that's definitely not something you want getting out of control.

While not all eye problems are a sign of something super serious, they still shouldn't be ignored. If you feel like your vision is worsening, or if you're experiencing any of the annoying symptoms above, be sure to make an appointment with your eye doctor.

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