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Lazy eye or amblyopia
Thursday, 13 October 2022
Amblyopia, or lazy eye, occurs when one eye becomes weaker than the other during infancy or childhood. The brain favors the better-seeing eye, allowing the weaker eye to worsen over time.
Redness of the eyes
Friday, 07 October 2022
Having red eyes can be worrisome, or even frightening, especially when you don't know why it is happening. The redness is due to swelling and inflammation of the blood vessels on the surface of the eye. Most red eye complaints are not cause for concern, but there are cases that are of greater importance.
What is endophthalmitis?
Thursday, 29 September 2022
Endophthalmitis is a bacterial or fungal infection of the eye that affects the fluids or tissues of the eyeball, including the aqueous humor and vitreous humor.
What is photokeratitis?
Thursday, 15 September 2022
Photokeratitis is a painful, temporary eye condition caused by exposure to ultraviolet (UV) rays, usually from the sun. Photokeratitis can be compared to a sunburn, except that it affects the cornea of the eye rather than the skin. UV exposure can temporarily damage the cornea (the clear part of the eye that covers the pupil) and the conjunctiva (a clear layer of tissue that covers the inside of the eyelid and the white of the eye).
What is retinal detachment?
Thursday, 08 September 2022
Retinal detachment is a serious eye condition that occurs when the retina - a layer of tissue at the back of the eye that processes light - separates from the surrounding tissue.
Dilated pupils or mydriasis
Thursday, 01 September 2022
The condition of dilated pupils - or mydriasis - occurs when the black center of the eyes is larger than normal. It can be caused by dilating drops from an eye exam, side effects of medications or traumatic injury.
What is ocular hypertension?
Friday, 26 August 2022
Ocular hypertension occurs when eye pressure is above levels considered normal without detectable changes in vision or damage to the structure of the eye. The term is used to distinguish people with elevated pressure from those with glaucoma, a serious eye disease that causes optic nerve damage and vision loss.
Types of cataract
Tuesday, 23 August 2022
Cataract is the name given to the crystalline lens (the natural lens inside the eye) when it becomes opaque. It is located behind the pupil and works like the lens of a camera, allowing light to pass through and focusing images on the retina, which in turn sends them to the brain, where vision is produced.
What is scleritis?
Friday, 12 August 2022
The sclera is the white, protective outer layer of the eye, which is connected to the muscles that help move the eye. Approximately 83% of the surface of the eye is the sclera.
What is entropion?
Thursday, 04 August 2022
Entropion occurs when the eyelid turns inward toward the eyeball. This causes the eyelid skin and eyelashes to rub against the eye. The friction often causes discomfort and irritation to the cornea, the clear part of the eye.
How is retinopathy of prematurity treated?
Thursday, 28 July 2022
Retinopathy of prematurity is an eye disease that causes the growth of abnormal blood vessels in the retina, the light-sensitive layer of cells that lines the back of the eye and helps us see. In some countries it accounts for up to 10% of cases of childhood blindness, with higher prevalence in Southeast Asia, Latin America and sub-Saharan Africa.
Pterygium, how living in the Caribbean affects us
Thursday, 07 July 2022
Pterygium comes from the Greek word pterygion which means "fin". Others relate it to its resemblance to the wing of an insect. The pterygium is a fold of the conjunctiva (layer of transparent tissue that covers the white part of the eye), fleshy and with triangular-shaped penetration that advances over the cornea, which usually forms from the nasal side (side of the eye close to the nose), and may reach the pupil area in both eyes.
