The eyes are one of the most important sense organs. If your vision is affected, your daily activities will be disrupted.
Eye diseases can be caused by several factors, such as dust, viruses, or bacteria. Viral and bacterial eye diseases are often highly contagious. To prevent the spread of eye infections, it's important to understand the various types of eye infections, both contagious and non-contagious, as follows:
1. Conjunctivitis
Conjunctivitis is inflammation or irritation caused by an infection of the membrane lining the eye. It's typically characterized by red, itchy, watery, painful eyes, discharge, and blurred vision.
This condition is caused by viruses, bacteria, allergies, dirty contact lenses, or long-term contact lens wear. This type of eye infection is highly contagious, so it should be treated promptly by applying a warm compress to the eye, applying ointment or eye drops as prescribed by your doctor, and ensuring your hands are clean before applying the ointment to avoid further irritation.
2. Trachoma
Trachoma is an eye infection caused by the bacteria Chlamydia trachomatis. This bacteria lives in dirty environments. Using handkerchiefs or towels that have been contaminated with Chlamydia trachomatis bacteria can easily spread trachoma.
This disease is very contagious so you should pay attention to the symptoms shown by this disease such as red eyes, cloudy cornea, discharge, swollen eyelids and lymph nodes.
3. Vernal keratoconjunctivitis (KV)
Vernal keratoconjunctivitis is an inflammation of the cornea (the clear membrane) caused by allergies. This condition is usually characterized by pain, redness, itching, watering, discharge, and swollen eyelids.
This disease can recur and usually flare up during the summer. People with CV sometimes experience damage to a small portion of the cornea, resulting in acute pain.
4. Endoftalmitis
Endophthalmitis is an infection of the inner lining of the eye that causes pus to form. It is typically characterized by redness, pain, and impaired vision. This eye condition is usually caused by a puncture from a sharp object and requires immediate treatment as it can lead to blindness.
5. Orbital Cellulitis (OS)
This is inflammation of the tissue around the eyeball caused by several factors, such as eye injury, sinus infection, or tooth infection. Symptoms typically include red eyes, swollen eyelids, pain, and a bulging or swollen eyeball.
6. Blepharitis
Blepharitis is an inflammation of the eyelids caused by the oil glands producing too much oil. This excess oil is located near the eyelids, which is a breeding ground for bacteria. Blepharitis is characterized by red, painful, burning, itchy, watery eyes, sores on the eyelids, and swelling.
7. Dacryocystitis
Dacryocystitis is a blockage of the tear duct that drains the eye to the nose. This condition is caused by allergies, which can lead to blockage. As a result, the eye becomes red, painful, swollen, and even pus-like, accompanied by fever. As first aid, apply a warm compress to the eye and consult a doctor immediately.

1. Conjunctivitis
Conjunctivitis is inflammation or irritation caused by an infection of the membrane lining the eye. It's typically characterized by red, itchy, watery, painful eyes, discharge, and blurred vision.
This condition is caused by viruses, bacteria, allergies, dirty contact lenses, or long-term contact lens wear. This type of eye infection is highly contagious, so it should be treated promptly by applying a warm compress to the eye, applying ointment or eye drops as prescribed by your doctor, and ensuring your hands are clean before applying the ointment to avoid further irritation.
2. Trachoma
Trachoma is an eye infection caused by the bacteria Chlamydia trachomatis. This bacteria lives in dirty environments. Using handkerchiefs or towels that have been contaminated with Chlamydia trachomatis bacteria can easily spread trachoma.
This disease is very contagious so you should pay attention to the symptoms shown by this disease such as red eyes, cloudy cornea, discharge, swollen eyelids and lymph nodes.
3. Vernal keratoconjunctivitis (KV)
Vernal keratoconjunctivitis is an inflammation of the cornea (the clear membrane) caused by allergies. This condition is usually characterized by pain, redness, itching, watering, discharge, and swollen eyelids.
This disease can recur and usually flare up during the summer. People with CV sometimes experience damage to a small portion of the cornea, resulting in acute pain.
4. Endoftalmitis
Endophthalmitis is an infection of the inner lining of the eye that causes pus to form. It is typically characterized by redness, pain, and impaired vision. This eye condition is usually caused by a puncture from a sharp object and requires immediate treatment as it can lead to blindness.
5. Orbital Cellulitis (OS)
This is inflammation of the tissue around the eyeball caused by several factors, such as eye injury, sinus infection, or tooth infection. Symptoms typically include red eyes, swollen eyelids, pain, and a bulging or swollen eyeball.
6. Blepharitis
Blepharitis is an inflammation of the eyelids caused by the oil glands producing too much oil. This excess oil is located near the eyelids, which is a breeding ground for bacteria. Blepharitis is characterized by red, painful, burning, itchy, watery eyes, sores on the eyelids, and swelling.
7. Dacryocystitis
Dacryocystitis is a blockage of the tear duct that drains the eye to the nose. This condition is caused by allergies, which can lead to blockage. As a result, the eye becomes red, painful, swollen, and even pus-like, accompanied by fever. As first aid, apply a warm compress to the eye and consult a doctor immediately.

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