Common eye diseases range from genetic conditions to acquired issues, affecting vision and visual capacity across different age groups and regardless of common eye colors.
What Are the Parts of the Eye?
The eye consists of several vital elements working together, most notably:
- Cornea: The clear front tissue that focuses light.
- Iris and Pupil: The colored part that controls the amount of light entering.
- Lens: A transparent part that focuses light onto the retina.
- Retina: Sensitive cells that convert light into nerve signals.
- Optic Nerve: Transmits signals from the retina to the brain.
- Other Parts: Including the vitreous body, the macula, and the tear ducts.
Most Common Eye Diseases
There are many disorders that can affect the eye, including:
Cataracts and Glaucoma
- Cataracts: A buildup of proteins in the lens that makes vision blurry; the risk increases with age or in patients with diabetes.
- Glaucoma: An increase in eye pressure that may exceed 21 mmHg, which can cause damage to the optic nerve.
Diabetes and Eyes
High blood glucose levels affect the eye in several ways:
- Blurry Vision: Resulting from the lenses reacting to high sugar and expanding.
- Diabetic Retinopathy: Damage to the capillaries in the retina, a condition requiring early treatment to avoid vision loss.
- Neovascular Glaucoma: The growth of new blood vessels over the iris that obstruct fluid drainage.
Dry Eye and Allergies
Dry eye results from a lack of secretions from the tear glands and is exacerbated by the use of air conditioners and screens. Allergies, such as vernal keratoconjunctivitis, appear as itching and redness due to exposure to dust and pollen.
Common Eye Diseases in Children
Children go through rapid visual development stages, and some common eye problems may appear, such as:
- Congenital Strabismus: Misalignment of the eye axis, which may be hereditary or result from muscle weakness.
- Lazy Eye (Amblyopia): Reduced vision in one eye despite its anatomical health.
- Astigmatism: Irregularity of the corneal surface leading to blurred vision.
- Premature Baby Eye Problems: Infants born prematurely may suffer from abnormal growth of retinal blood vessels due to the use of stimulating amounts of oxygen.
FAQ About Common Eye Diseases
What are common eye problems?
These include refractive errors (nearsightedness and farsightedness), cataracts, glaucoma, diabetic retinopathy, as well as dry eye and macular degeneration.
Which vision problems are most common among children?
Lazy eye, congenital strabismus, color blindness, astigmatism, and eyelid inflammation are among the most widespread issues in childhood.
How is dry eye treated?
Treatment begins with artificial tears and may progress to the use of anti-inflammatory medications, silicone plugs for the tear ducts, or simple surgical intervention in severe cases.
When Should You See a Doctor?
Medical care should be sought immediately if the following signs appear:
- Seeing flashes of glowing light.
- The appearance of black spots or gaps in the field of vision.
- Sudden loss of visual clarity in one eye.
- Abnormal excessive tearing or an increase in the diameter of the pupil in children.
Disclaimer: This content is for informational purposes only and does not substitute for professional medical advice.
Related articles
- How to Act Around a Blind Person: A Complete Guide
- What Do Blind People See and How They Perceive the World
- Eyelid Inflammation: Symptoms, Causes, and Treatment
- Modern Care and Protection for Your Eyes
- More about Eye Diseases
Illustration: AI-generated
approved by: Medica Health team