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.
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.
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.
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.
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.
Thursday, 30 June 2022
Sleep and rest are essential for human health, so getting the right amount of sleep translates into a good quality of life. However, there are many sleep disorders that can interfere with various aspects of our health, including vision.
Thursday, 23 June 2022
It is the inflammation of the optic nerve, which is in charge of sending light signals to the brain, thus allowing sight.
Monday, 20 June 2022
Many times, in consultation, bags under the eyes are a cause of concern and insecurity for patients. They appear over time and are due to the accumulation of fat in the lower eyelids.
Thursday, 09 June 2022
Each year, most schools ask parents of students for a pediatric ophthalmologic evaluation as part of the enrollment requirements, in order to detect any vision problems typical of childhood.
Thursday, 02 June 2022
Coloboma is an eye condition that occurs from birth, when there is an absence of normal eye tissue.
Friday, 27 May 2022
Learning disabilities are difficulties a child has with certain tasks, such as reading, writing, listening, speaking, paying attention, or doing math. These difficulties are not caused by eye problems. Children with learning disabilities are not more visually impaired than children who are not.
Friday, 27 May 2022
Dyschromatopsia is a disorder that prevents the correct perception of colors. Difficulty in recognizing the color chart may result in partial blindness to specific colors. In less common cases, no color may not be perceived at all.
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