7 everyday mistakes could be quietly damaging your vision, eye doctor warns

Straining the eyes to see or read something puts stress on the optic nerves, the eye doctor said.(iStock)

“As we get older, our eyes have more difficulty seeing under certain lighting conditions,�

“If you’re going be reading and it’s not a bright, sunny day outside or you’re not inside with bright lights, you should increase the lighting,” he recommended.

No.3: Not eating a healthy diet

Research suggests that anutritious dietmay protect eye health by reducing the risk of diabetes and cardiovascular disease, both of which can affect vision.

“Diet is important,” Lazzaro said.“There’s certainly a lot of known data about poor diets [contributing] to poor cardiovascular health, and that same thing can apply with the eye.”

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High cholesterol and high blood pressure can worsendiabetic eye disease, even when patients may not realize those conditions are affecting their vision, according to the doctor.

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Researchers are also exploring whether gut health may influence retinal health, although that connection is still emerging.

No.4: Not staying hydrated

Another condition that becomes increasingly common with age isdry eye, in which a lack of tear production and oil secretion causes red, itchy, irritated eyes.

This condition can be exacerbated by lifestyle factors like dehydration, Lazzaro noted.

People who don’t sleep well have fluctuations in their circulation at night, which can impact eye health.(iStock)

Staying hydrated helps keep the cornea properly moisturized, he said.“We always tell our patients, particularly in the summer, if they’re going out on a hot day … make sure to hydrate, because not only will it dry out the body … but it can dry out your corneas.”

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No.5: Getting poor sleep

Getting adequate sleep helps support overall health, and there’s “good evidence” that patients who don’t sleep well, particularly those withsleep apnea, may experience increased eye pressure, according to Lazzaro.

People with sleep apnea also appear to face higher rates of glaucoma and certain vascular eye conditions, similar to their increased cardiovascular risk, the doctor said.“They also have an increased incidence of vascular phenomena in the eye … People who don’t sleep well have fluctuations in their circulation at night.”

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No.6: Rubbing the eyes

Eye rubbing is considered a risk factor for keratoconus, a progressiveeye diseasewhere the cornea begins to dome and bulge out in a cone shape, although experts’ opinions differ on whether it can directly cause the disease, according to Lazzaro.

The eye doctor “strongly” advises against rubbing the eyes.(iStock)

Patients with keratoconus often rub their eyes frequently, he noted, and repeated rubbing can potentially change the shape of the cornea — one reason he “strongly” advises against the habit.

No.7: Delaying routine eye doctor visits

Because glaucoma often develops without symptoms, a comprehensive eye exam is frequently the only way to detect it early, Lazzaro said.

Glaucoma is known as a “silent disease” that can lead to blindness, the doctor noted.(iStock)

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Glaucoma is known as a “silent disease” that can lead to blindness, the doctor noted.

“Its nickname is ‘the silent thief of sight,'” he said.“Sometimes the only way you know you have glaucoma is by going to the ophthalmologist.It’s a disease that we see with increasing frequency as we get older.”

Lazzaro recommends that adults get annual eye exams, rather than waiting until age-related vision changes begin.Presbyopia — the gradual loss of the ability to focus on nearby objects — commonly develops in middle age and often leads to the need for reading glasses.

“The only way you know you have glaucoma is by going to the ophthalmologist.”

“Patients will come in at some point, usually between 40 and 50, and say they can’t see up-close anymore;it happened overnight,” he said.

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Annual visits should also include a scan forskin cancerand eyelid tumors, which occur more frequently with age, the doctor advised.

Sun exposure may contribute not only to cataracts and macular degeneration, but also to cancers of the eyelid, Lazzaro said.“Most of them can be removed locally without a big problem if diagnosed early,” he added.