Friday, March 13, 2015

Exposure Keratitis and Sleeping with Your Eyes Open

We’ve all heard about people who sleep with their eyes open, but did you know that this can cause serious issues with your eyes?

Sleeping with the eyes open, either partially or fully, is actually a medical condition known as nocturnal lagophthalmos. This is a relatively common condition is a form of partial facial paralysis, and it can cause many eye issues.

When you cannot fully close your eyes during sleep, your eye is left exposed to air. Tears then evaporate, leaving the eye without the moisture it requires. When the eyes don’t have adequate moisture, patients are at a higher risk for eye infections and blurred vision. Many common symptoms include dryness, scratchiness, and a foreign body sensation, particularly upon waking. Patients who experience nocturnal lagophthalmos often notice that the symptoms worsen in the winter, due to the low humidity, both indoors and out.

[caption id="attachment_835" align="aligncenter" width="640"]The green specks are unhealthy cells that are at risk for infection. The green specks are unhealthy cells that are at risk for infection.[/caption]

The patient above has dry eye syndrome complicated by exposure keratitis. Her family members have confirmed that she doesn’t close her eyes when she sleeps. Her condition has also caused her to experience blurry vision that is not remedied by prescription eyeglasses. The external ocular photograph above is a popular method for monitoring treatment. The unhealthy cells that are at risk for infection appear as green spots and specks, while the blueish color is the light from the microscope.

Treatment for nocturnal lagophthalmos and resulting exposure keratitis and dry eye syndrome can include wearing a sleep mask, lubricating eye drops and ointments, and, in more serious cases, surgery. Because a number of underlying conditions can cause nocturnal lagophthalmos, it is important to speak with your eye care professional to determine the best course of treatment.

 From the eye doctors, opticians and staff at Rinkov Eyecare Centers. We’ve provided comprehensive eye exams, contact lenses, eyeglasses, sunglasses and medical treatment of eye disease, such as cataract treatment, in Columbus, Ohio for over 35 years. Come see an optometrist at one of our Columbus locations – Downtown, West, East, Westerville, Dublin, Bexley, Worthington and Nationwide Plaza.

Friday, March 6, 2015

Tint Matters

Sunglasses

The tint of your sunglasses may seem like just a fashion preference, but did you know the tint you choose can also cater to your visual needs? The lens tint color you choose can determine how much visible light reaches your eyes.  Some tint colors improve contrast and color, while other tints may reduce both.  Quality prescription sun wear also protects your eyes from 99-100% of harmful ultraviolet radiation (UV-A and UV-B).

Generally, a gray or smoke lens tint is the most popular.  This shade reduces glare and does not distort colors. Gray is considered a general-purpose tint, and it best used when true color perception is most important. However, depending on your visual needs, other lens tints can offer benefits that are more specific.

Brown or amber tints provide contrast and minimize eyestrain.  These colors are ideal for high-glare sports like boating, skiing and snowboarding. For everyday use, brown or amber tints are excellent for driving.

For improved contrast in low-light conditions, a green tint is a good choice. This shade also reduces eyestrain in bright light, making it a popular multipurpose tint for daily wear.

Yellow and orange tints also provide excellent contrast in low-light conditions and are great to wear on overcast days. Additionally, this tint improves depth perception, making it an excellent choice for specialty lenses for sports like shooting.

You can enhance your lens tints by choosing polarized lenses. Polarization reduces reflected glare and protects your eyes from UV light, making it ideal for bright, sunny days. Check out Oakley’s guide to lens tints below before purchasing your next pair of sunglasses.

oakleyguide

 From the eye doctors, opticians and staff at Rinkov Eyecare Centers. We’ve provided comprehensive eye exams, contact lenses, eyeglasses, sunglasses and medical treatment of eye disease, such as cataract treatment, in Columbus, Ohio for over 35 years. Come see an optometrist at one of our Columbus locations – Downtown, West, East, Westerville, Dublin, Bexley, Worthington and Nationwide Plaza.