Blog – Shanadel Eye Clinic

Ophthalmology September 2, 2022September 2, 2022 shanadel

HOW TO READ YOUR PRESCRIPTION

When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD. They are Latin abbreviations: OS (oculus sinister) means the left eye, and OD (oculus dextrus) means the right eye. Occasionally, you will see a notation for OU, which means something involving both eyes. In general, the further away from zero the number on your prescription, the worse your eyesight and the more vision correction (stronger prescription) you need. A “plus” (+) sign in front of the number means you are farsighted, and a “minus” (-) sign means you are nearsighted. These numbers represent diopters, the unit used to measure the correction, or focusing power, of the lens your eye requires. Diopter is often abbreviated "D." For people who have astigmatism, there will be three numbers in your prescription. The general form for…

Uncategorized September 2, 2022September 2, 2022 shanadel

THE 20-20-20 Rule

Screen time is a big issue these days. You probably spend a good number of hours looking at screens, like your computer at work and at home, your smartphone, television, or other digital devices. Looking at screens too much can lead to eye strain. But the 20-20-20 rule will help.

Eye Diseases September 2, 2022September 2, 2022 shanadel

Pinguecula

Pinguecula is an abnormal yellowish raised growth on the conjunctiva (the clear membrane that covers the white of the eye) typically adjacent to the border where the colored part of the eye meets the white part of the eye. It usually appears on the side closer to the nose, is present in both eyes, and is relatively permanent.

Eye Diseases September 2, 2022September 2, 2022 shanadel

Iritis

Iritis is a swelling and irritation in the colored ring around your eye’s pupil (iris), it is also known as anterior uveitis. Uveitis is the inflammation of part or all of the uvea.

Eye Diseases September 2, 2022September 2, 2022 shanadel

PINK EYE (part 2)

WHAT CAUSES PINK EYES? Viruses: there are the most common cause of pink eye. Coronaviruses, such as the common cold or COVID-19, are among the viruses that can cause pink eye. Bacteria: Pink eye is also commonly caused by a bacterial infection. Common types of bacteria that cause bacterial conjunctivitis includes Staphylococcus aureus, Haemophilus influenzae, Streptococcus pneumonia, and Pseudomonas aeruginosa. Exposure to something for which you have an allergy (allergic conjunctivitis) Irritating substances, such as shampoos, cosmetics, contact lenses, dirt, smoke, and especially pool chlorine. Sexually transmitted infections could be caused by a virus (herpes simplex) or bacteria (gonorrhea or chlamydia). Foreign object in the eye. Blocked or incompletely opened tear ducts in babies. Exposure to someone infected with the viral or bacterial form of conjunctivitis Using contact lenses, especially extended-wear lenses PREVENTION Practicing good hygiene is the…

Eye Diseases September 2, 2022September 2, 2022 shanadel

PINK EYE (part 1)

Conjunctivitis, often called “Pink Eye” is an inflammation or infection of the transparent membrane (conjunctiva) that lines your eyelid and covers the white part of your eyeball. When small blood vessels in the conjunctiva become inflamed, they’re more visible. This is what causes the whites of your eyes to appear reddish or pink.