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What to Know About Dry Eye Symptoms, Causes, and Treatments

You’re going on two hours of staring at your computer screen. Is that a film on the screen or… Nope, it’s your eyes. They’re definitely blurry (not to mention red, stingy, and a little scratchy). Its another episode of dry eye syndrome. Dry eye is a common and chronic problem. About 30 percent of Canadians experience symptoms associated with dry eye. It affects more women than men. Dry eyes can develop for several reasons, including aging, medication, andyou guessed itscreen use. Although dry eye syndrome can be irritating, there are things you can do to prevent and treat it.(Related:5 Reasons You Always Have Watery Eyes)

What is dry eye?

Every time you blink, tears wash over your eyes. They keep the eyes surface smooth and clear and wash away any debris. But sometimes your eyes dont make enough tears or the quality of tears isnt very good. This is dry eye syndrome. It goes by a few other names too: dry eye disease, keratoconjunctivitis sicca, and keratitis sicca.

How tears work

The tear film on your eye is made up of three layers, and each plays a different role.Oily layer: This outside layer keeps the eyes surface smooth and keeps tears from evaporating too fast.Watery layer: The middle layer is most of what we normally see as tears. This cleans the eyes and washes away anything that doesnt belong there.Mucus layer: This inner layer helps tears stick to the eye. It spreads the watery layer across the eyes surface.As you age, your eyes make fewer tears. But sometimes things can affect one of these layers, which impacts how long tears stay on the eyes and keep them lubricated.

What causes dry eye?

There are several reasons your eyes may be making fewer tears. The most common dry eye causes are:

  • Aging: Dry eyes typically affect people over age 50. Most people over 65 have some dry eye symptoms.
  • Sex: Women are more likely to have dry eyes than men, especially if they use birth control pills or have gone through the hormonal changes of pregnancy or menopause.
  • Computer use: Staring at a screen for long periods of time without blinking can decrease tear production.
  • Medication: Certain medicines, including antihistamines, antidepressants, beta-blockers, decongestants, and diuretics for high blood pressure, can cause you to make fewer tears.
  • Laser eye surgery: Having vision correction surgery such as LASIK can decrease the amount of tears your eyes make.
  • Medical conditions: Certain health issues, such as diabetes, rheumatoid arthritis, and thyroid problems, can be closely linked to dry eye symptoms.
  • Other eye issues: Both blepharitis (eyelid inflammation) and eyelids that turn in or out can eventually trigger dry eyes.
  • Contact lenses: Wearing contacts for long periods of time, or not changing them regularly, can impact tear amount and quality. Here’s how to choose the best contacts for dry eyes.
  • Wind and smoke: Exposure to smoke, wind, and dry air can increase how quickly tears evaporate.

(Related:18 Contact Lens Mistakes That Could Ruin Your Eyes)

Dry eye symptoms

Dry eye symptoms can come and go, especially early on when the condition is mild. As it gets worse, symptoms typically linger. Dry eye symptoms can include:

  • Stinging, burning, or scratching feeling in the eye
  • Blurry vision
  • Redness
  • Watery eyes
  • Gritty feeling in the eye
  • Trouble wearing contact lenses
  • Strings of mucus in eyes
  • Light sensitivity

How is dry eye diagnosed?

Your eye doctor will examine your eyes, inspecting the surface of your eyes as well as your eyelids. You’ll have to blink a couple times then answer questions about your symptoms and when your eyes feel dry. Sometimes a doctor will put dye in your eye to watch how your tears flow and/or to highlight the areas of your eyes that are dry. Your doctor may do a procedure called a Schirmers test, putting small strips of filter paper under your lower eyelids to measure the amount of tears your eyes make after a few minutes.You may get blood work if your doctor suspects you have an underlying disorder such as the autoimmune disease Sjogren’s syndrome. If you have this condition, your immune system mistakenly attacks the glands that make tears and saliva.(Related:7 Things That Could Happen If You Keep Rubbing Your Eyes)

Dry eye treatments

The two most common treatments for dry eyes work by adding more tears or saving the ones you have.

Artificial tears

These eye drops for dry eyes mimic your own tears. You can use them many times throughout the day, whenever your eyes bother you. There are many brands available without a prescription. Products without preservatives are less likely to irritate your eyes. Thick gels and ointments can provide more moisture than drops. Because they can make your vision blurry, theyre best used at bedtime.

Conserving tears

Your doctor may suggest saving your tears by blocking your tear ducts. Plugging the ducts keeps tears in your eyes longer and stops them from draining through the nose. For this procedure, a doctor will insert tiny, silicone or collagen plugs (called punctal plugs) into the tiny holes in the corner of your eyes. These holes can also be closed permanently, via surgery, in serious cases.

Medications

Your doctor may also suggest some medications to ease dry eye symptoms. They can include prescription eye drops, such as cyclosporine (Restasis), lifitegrast (Xiidra), and corticosteroids. These medicines encourage your eyes to make more tears.

Lid hygiene

Keeping your eyelids clean helps with blocked or irritated oil glands that can affect the quality or quantity of tears you make. Apply warm compresses to your eyelids to open blocked glands and then gently massage them to release natural oils. You can clean eyelids with over-the-counter eyelid scrubs or with a mixture of baby shampoo and water, applied with a cotton swab.(Related:9 Things Eye Experts Wont Tell You About Glasses)

Dry eye prevention

There are home remedies that you can do every day to help prevent and treat dry eyes:

  • Take breaks from screen time.
  • Use a humidifier.
  • Wear wraparound glasses outdoors, especially in windy weather.
  • Add omega-3 fatty acids to your diet, either from supplements and/or foods like oily fish and flaxseeds.
  • Avoid warm and dry environments when possible

Next, this is what you need to know about eyelid dermatitis.

The post What to Know About Dry Eye Symptoms, Causes, and Treatments appeared first on Best Health Magazine Canada.

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