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Common conditions affecting the cornea: Some of the common conditions that affect the cornea are:
- Injuries: In case of a minor injury and scratch the cornea has the capability to heal on its own. But in case of deeper injuries there might be corneal scarring, leading to a haze in the cornea along with impaired vision. In case of deep injury you could experience pain in the eye, sensitivity, reduced vision, inflammation of the eye, headache, vomiting and nausea.
- Allergies: The common allergies that affect the eye are related to pollen, especially in the warm and dry weather. Symptoms are burning sensation, redness of the eye, itching, and watery discharge. These symptoms can be reduced by antihistamine decongestant eye drops. Rain and cold weather also improve the symptoms.
- Keratitis: This is the inflammation of the cornea. Though infection is a common cause of keratitis, non-infectious keratitis is due to minor injuries and wearing the contact lenses for too long. Infectious keratitis is mainly due to parasites, fungi, viruses and bacteria. These can be treated with antibacterial eye drops.
- Dry Eye: This is a condition where the eye produces less tears and is unable to keep the surface of the eye lubricated. The symptoms of this are scratchy feeling due to the dryness of the eye, along with a burning and stinging sensation of the eye.
Common diseases affecting the cornea: Some common diseases affecting the cornea are:
- Herpes Zoster: This is basically the reactivation of the varicella zoster virus. This virus also causes chickenpox and if you have had chicken pox then the virus can live in the nerve cells and become activated later in life. The virus might travel through the nerves to the cornea, affecting the cornea.
- Iridocorneal endothelial syndrome: This is more common in women aged 30-50 years. It has three features: glaucoma, swelling of the cornea, and changes of the iris.
- Pterygium: This is the pinkish, triangular tissue growth, which occurs on the cornea. This might grow slowly throughout life. This is commonly seen in sunny weather in adults aged between 20-40 years.
Treatment of the corneal disorders:
- Laser surgery: Phototherapeutic keratectomy is a surgical technique. In this UV light is used to restore and reshape the cornea. This is used to treat corneal dystrophies and recurrent erosions.
- Anterior lamellar keratoplasty and endothelial lamellar keratoplasty: This procedure removes the damaged or diseased endothelial tissue which is then replaced by the healthy tissue from a donor.
- Corneal Transplant Surgery: This removes the damaged part of the cornea and then it is replaced by the healthy tissue through a donor.
- Artificial Cornea: Keratoprosthesis is usually known as the artificial cornea. This is an option for people who have not had a successful tissue implant.
Im 23 years old and im having problem with my eye sight. Some times I have severe headache and my eyes will be little blurrysome time. Note: my right eye was damaged little bit in my childhood.
I got inflammation on my right eye on white portion. I have tested for arthritis and result is negative. Doctor prescribed me mild dosage (10 mg) of steroid for a day. I am taking it for a year. There is no permanent remedy. When I stop taking medicine it will come again. Advise me for permanent cure. I am diabetic.
Hi doctors, I have an itching problem in eyes and sometimes watering also. Itching not happening all the times, but sometimes. I went to doctor she his given moisten eye drop. But there is no improvement after taking this eye drop for 20 days. Please suggest.
We are surrounded by light from everywhere on all sides. Wherever we go, there is some source of light, be it natural or man made. However, exposure to bright light in excess can cause strain to your eyes and if this is continued your vision quality might decrease.
Here are some ways you can adjust light in order to lessen eye stress and to increase your visibility:
Make adjustments in your workplace:
According to studies, it has been shown that half of people who work in front of computer screens every day suffer from eye strain. Not only the computer, but the entire lighting around your workstation may also be causing damage.
- Reduce the brightness of interior lights. Many offices have bright, fancy interior lighting. Use of light bulbs and fluorescents should be lessened.
- In case of the presence of a window right behind or in front of your work desk, more strain is imposed upon your eyes because of the reflections on the screen. You should change the place or use dark, thick curtains or coat the glasses with anti-reflective material in order to reduce the glare.
- The blue light emitted from the computer causes a great amount of eye strain. You should adjust the brightness and keep it as low as possible.
Improve your home lighting:
For people who spend a lot of time at home working, adjustments should be made to the lighting in order to reduce eye strain.
- Avoid reading in a dim light room. This can give you headaches and produce eye strain. Any kind of activity where a lot of focus is required in dim or poorly lighted environments causes damage and strain to the eyes.
- Use desk lamps, reading lamps, under cabinet lights in the kitchen and other types of lights everywhere you work.
- If you work in a place for more than an hour, a nearby light would make it less stressful for the eyes.
For people with low vision:
- For people with less power of vision, proper lighting is a must. A 60-year old man would need to double the amount of light to carry out any activity which a man of 30 years would require.
- People having disorders such as macular degeneration, glaucoma and similar vision disorders need advanced lighting and should consult a doctor for ideas on improving their home lighting.
The presence of proper lighting improves our concentration, our ability to read, and we can differentiate between colors better. Therefore, always opt for the best lighting to avoid giving stress to your eyes.