Stye: Symptoms, causes, diagnosis and treatment

A stye or sty is a small pus filled, painful lump that appears on the edge of the eyelid. It is also known as a hordeolum in medical terms. The following paragraphs will give you all the basics about a stye as well as a bit about its treatment. Overview on Styes A stye is actually a bacterial infection that occurs in one or more of the  hair follicles of the eyelash or eyelid. This causes the follicles and glands around the eyelash to get clogged. It leads to a…

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Conjunctivitis: Symptoms, causes, diagnosis and treatment

Conjunctivitis is defined as the infection or inflammation of the conjunctiva (the transparent membrane that lines the eyelid and part of the eyeball). Conjunctivitis is also called as ‘pink eye’ because the inflammation causes small blood vessels in the conjunctiva to become more prominent, and thus cast pink or red color to the whites.  Conjunctivitis affects people at all ages.1 Conjunctivitis is caused due to various kinds of bacteria, virus or fungi. Certain environmental factors are also responsible in causing conjunctivitis. Conjunctivitis can be classified as infectious or noninfectious. Infectious…

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Eye care: dos and don’ts of eye care

Introduction to eye care The eye is an important sense organ that initiates the line of communication to the world. Many people with perfect vision (20/20) fail to give importance to eye care. Only in cases of mild-to-severe eye problem, the very essence of eye care is realized. Eye problems leading to visual impairment or blindness are overly linked to low quality of life and occasionally to shortened-life span.1,2 There is lack of concern, among the general mass, regarding the need for appropriate eye care, which forms a major burden…

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Glaucoma: Symptoms, causes, diagnosis and treatment

Introduction to glaucoma Glaucoma is a major cause of vision loss throughout the world.1 It includes a group of diseases, which occur when the normal fluid pressure inside the eyes slowly rises, damaging the eye’s optic nerve, ultimately resulting in vision loss and blindness. While glaucoma can affect anyone, the risk is much greater for people over 60 years.2,3 Glaucoma, known commonly as the ‘silent thief of sight,’ makes 1.2 lakh Indians blind annually. Yet, over 74% Indians don’t know what glaucoma is and over 72% have never undergone an…

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Cataract: Symptoms, causes, diagnosis and treatment

Introduction to cataract As people grow older the natural eye lens become opaque leading to blurred vision. It is called cataract. It is one of the leading causes of visual disability and preventable blindness.1 As the world’s population ages, cataract-induced visual dysfunction and blindness is on the rise. Genetic as well as environmental factors contribute to its development.2,3 It can occur in one or both eyes. It gradually develops over a long period of time and the loss of vision is gradual and painless, hence people do not realize till…

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Eye allergy: Symptoms, diagnosis, treatment and classification

Overview of eye allergy Eye allergy or allergic conjunctivitis is the inflammation of the thin membranes that is present around the eyes (conjunctivae). This is caused due to the overreactions of the immune system to foreign substances. Eye allergies are frequently associated with other allergic conditions like hay fever, dermatitis etc. Drugs and cosmetics also play an important role in causing allergies. Severe allergies are often worrying condition and require visits to an ophthalmologist or allergist. Recent studies have shown high prevalence of eye allergies in developed countries.1 Very rarely,…

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Nystagmus : Symptoms, Causes, Diagnosis and Treatment

Nystagmus Nystagmus is known as “dancing eyes” is characterized by rapid involuntary movement of the eyes. This condition can happen to people of any groups. Nystagmus is categorized in the following ways: Infantile nystagmus syndrome (INS) or congenital nystagmus is present at birth. It begins between 3-6 months of age of the infant. Sensory nystagmus develops in early life mostly due to eye problems Acquired nystagmus develops later in life due to injury or underlying diseases Symptoms of Nystagmus rapid movement of eyes to and fro, up and down or…

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Common eye disorders

Here’s an overview of the eye disorders that affect normal functioning of your eyes and are responsible for loss of vision and various other symptoms: Myopia: Nearsightedness is a refractive error, occurs when the light rays are focused in front of the retina because the eyeball is too long. Near objects are clear while distant objects are blurry. Hyperopia: Farsightedness occurs when light rays entering the eye focus behind the retina instead of falling on the surface due to shorter size of eye ball. The distant objects are clear but nearby…

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Retinitis pigmentosa: Symptoms, causes, diagnosis and treatment

Retinitis pigmentosa is progressive degenerative disease that affects the retina. It runs in families and gradually leads to loss of vision. One cannot judge how much and how soon will a person will lose vision. The retinal degradation will make it very hard for the affected person to see in dim or dark light, central vision becomes poor and leads to difficulty reading and watching TV. Symptoms of retinitis pigmentosa The affected individual initially experiences night blindness as the degeneration initiates in the rod cells of the retina. These rod…

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