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.
Thursday, 12 May 2022
Humans are not born with a fully developed and mature visual system, despite having all ocular structures complete. Visual skills are acquired and perfected when the cerebral cortex receives adequate and more or less symmetrical stimulation of both eyes during the first years of life.
Thursday, 05 May 2022
Congenital cataract is the condition that occurs when a child is born with cataracts, which means they are born with an opaque lens, so their vision is compromised. Cataracts can affect vision if they are complete or central, and large enough to cover the pupillary area (the central area of the eye where light enters).
Thursday, 21 April 2022
Botulinum toxin is a substance produced by the bacterium Clostridium botulinum, which is used for medicinal purposes as a powerful blocker of the signals that the nerves send to the muscles. It is administered by subcutaneous injection and its application should only be advised and performed by a medical professional. It should be used in small doses to prevent a very delicate intoxication called botulism.
Thursday, 14 April 2022
Dry eye is a complex and multifactorial chronic disease that affects the ocular surface and causes discomfort, vision problems and, in some cases, damage to the cornea and conjunctiva.
Thursday, 07 April 2022
Many people protect their skin from the sun, but not everyone knows how important it is to protect their eyes from excessive solar radiation. The World Health Organization (WHO) estimates that every year more than 3 million people are blinded by excessive solar radiation.
Thursday, 24 March 2022
Lymphoma is a cancer that starts in the white blood cells and can occur in the eyes. This type of eye cancer is called primary intraocular lymphoma (PIL). LIOP can develop in the retina and vitreous humor inside the eye. It also affects the optic nerve at the back of the eye.
Thursday, 10 March 2022
It is an eye disease caused by increased intraocular pressure. The optic nerve is in charge of transmitting to the brain the information captured by the eyes, and the brain's interpretation of these images results in the visual phenomenon.
Thursday, 03 March 2022
Glaucoma is a group of eye diseases that damage the optic nerve, the health of which is critical for good vision. This damage is usually caused by higher than normal pressure in the eye.
Thursday, 24 February 2022
Keratoconus is a progressive disease of the cornea, which is the front, transparent part of the eye. It is a degeneration that causes thinning and deformity in the cornea, which takes on the shape of a cone, and causes gradual loss of vision.
Friday, 11 February 2022
Blepharitis is inflammation of the eyelids. These may become red, swollen, burn, or sore. Your eyelids may also have oily particles (crusts) around the base of your lashes. Blepharitis is a common condition, especially in people with oily skin, dandruff, or rosacea.
Thursday, 27 January 2022
Leukocoria means "white pupil" and appears due to light reflections produced by certain intraocular lesions that usually manifest in childhood, when there is direct lighting.
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