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Basics of USG B-Scan

What is ultrasound Sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy, young adults. B-Scan Ultrasonography: B-scan ultrasonography is an important noninvasive technique for the clinical assessment of various ocular and orbital diseases. Principles […]


How to take care of your eyes during winter?

While people often think more about taking care of their eyes and protecting them from the sunlight in summers, our eyes can just as easily get affected by various factors in winters too. Whether you’re working in the office, on a winter vacation or just cozying up by the fire, it is essential to take […]

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Uses of Fluorescein Sodium in Ophthalmology

Uses of Fluorescein Sodium in Ophthalmology Introduction to Drugs Used to Aid Diagnosis in Ophthalmology The use of diagnostic dyes represents one of the most efficient, objective, non-invasive, and directly visible means we have of identifying and tracking ocular-surface changes at the cellular level. Though they’re particularly useful in dry-eye diagnosis and clinical trials, the […]

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Pollution: It’s adverse effects on eyes, and Preventive measures.

Recently, People of Kathmandu are getting diseased due to the increasing pollution which is not only affecting the lungs and respiratory system but in the eyes of people living in the Capital city of Nepal. Due to the carelessness of people, they are getting conjunctivitis and vision-threatening problems. Increase in the number of patients visiting the […]


What is Chemosis of Conjunctiva?

What is chemosis of the conjunctiva? Chemosis of the conjunctiva is a type of inflammation of the white part of the eyeball. The condition is more often referred to as “chemosis.” This translucent lining, called the conjunctiva, also covers the surface of the eye. when eye becomes irritated it cause edema of the conjunctiva. Chemosis […]


World Environment Day

World Environment Day World Environment Day is the UN’s most important day for encouraging worldwide awareness and action for the protection of our environment. Since it began in 1974, it has grown to become a global platform for public outreach that is widely celebrated in over 100 countries. BEAT PLASTIC POLLUTION “Beat Plastic Pollution”, the […]



Nipah virus is an RNA virus. First Outbreak happened in 1998 and 1999 in malaysia and Singapore. It showed respiratory illness in pigs and encephalitic disease in Human.Nipah virus targets pigs and disease can be mild to severe.Nipah virs infection in human causes Respiratory infection, Encephalitis and death.Virus is transmited in humans through bats and […]


Lacrimal Syringing, Procedure, Result, Indication and Contraindications

Syringing  is a procedure for testing the patency of the lacrimal  drainage system. Normal saline (NS) is  injected into the naso lacrimal drainage system through the upper or lower punctum. WHY  IS SYRINGING  DONE ? For  diagnostic and therapeutic  purposes Indications: In  epiphora (obstruction of the lacrimal drainage system.The tear spills over the lower eye […]

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Rings in Ophthalmology

 Rings in Ophthalmology Acanthamoeba Keratitis Arcus Senilis:Corneal grey ring shaped degeneration seen in old age. Ring Abscess: The hallmark of acanthamoeba Keratitis. Kayser-Fleischer’s ring: Copper deposition in descemet’s memberane  secondary to wilson’s disease. Corneal rust ring: A small, reddish brown, circular Opacity in the Cornea after the removal of an iron foreign body. Coats’ white […]