Prof. Dr. Banu Coşar Ophthalmology · İstanbul
Articles

Healthy Eyes

Plain-language articles by Prof. Dr. Banu Coşar on eye conditions, eye tests, glasses and contact lenses, nutrition and eye health at every age.

  • 106 articles
  • In English and Turkish
  • Written by the doctor
Eye Surgery 35 guides explaining how cataract, laser, corneal transplant and eyelid operations are performed. Open the guide →
Eye Diseases Eye Injuries Knowing first aid is very important for the accidents and eye injuries we may encounter in daily life. 3 min read Eye Diseases Refractive Errors The eye conditions that make us wear glasses or lenses are called “refractive errors”. They are myopia, hyperopia and astigmatism; 1 min read Eye Diseases Eye Allergy Eye allergy, or allergic conjunctivitis, is a reaction to allergens in the air. People with it often also have allergic symptoms in the nose. There are two types: 1 min read Eye Diseases Dry Eye Dry eye is caused either by too little tear production or by excessive evaporation of the tears that are present. 3 min read Eye Diseases Eye Infections Infection of the eye is called “conjunctivitis”. The organisms that cause it are bacteria or viruses. 1 min read Eye Diseases Blepharitis (Inflammation at the Base of the Lashes) Inflammation at the base of the lashes (blepharitis) is very common. It is seen more often in the skin disease called acne rosacea. 1 min read Eye Diseases Keratoconus Keratoconus is an eye disease in which the cornea (the clear layer in front of the coloured part of the eye) becomes thinner and bulges forward into a cone. 6 min read Eye Diseases Herpes of the Eye Ocular herpes is an infection of the eye with the herpes simplex virus. It is the eye form of the cold sores that appear on our lips with stress, tiredness or sadness. There are 2 types of herpes simplex virus. 3 min read Eye Diseases Inherited Diseases of the Cornea (Dystrophies) The cornea is the clear layer in front of the coloured part of the eye. In inherited corneal diseases called “dystrophies”, the cornea loses its transparency. 1 min read Eye Diseases Cornea Donation The clear layer in front of the coloured part of the eye is called the cornea. A corneal transplant is the replacement of a diseased cornea with clear corneal tissue taken from a deceased… 4 min read Latest Developments Coronavirus, Contact Lenses and Eye Make-up One of the most frequently asked questions recently is whether coronavirus can be transmitted through contact lenses and eye make-up… 3 min read Latest Developments The Link Between the New Coronavirus and the Eyes The first person to notice the outbreak that began in Wuhan, China, in December 2019 and to issue a warning about it was the Chinese eye doctor Li Wenliang. 3 min read