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Retina, Vitreous and Uveitis


The specialty called retina and vitreous works on the retina, which is a light-sensitive tissue located on the inner surface of the eye, it is like a screen where images are projected.

Light that hits the retina triggers chemical and electrical reactions that are converted into nerve impulses that go to the brain through the optic nerve. The retina has a very complex structure, it is made up of several layers of neurons interconnected by synapses.

The retina is the neural tissue that covers the inner surface of the eye, as if it were a room and the retina was the wallpaper.

The retina is not normal tissue, but a small piece of the brain responsible for collecting images. Being made up of brain cells, organized in highly structured layers, anything that affects it will cause a serious visual problem.

Some retinal and vitreous diseases:

Retinal Diseases

{Retinopatía Diabética}

Diabetic retinopathy

Damage caused by the metabolic decompensation of diabetes.

{Agujero Macular}

Macular Hole

Small tear in the macula, the part of the eye responsible for central vision.

{Desprendimiento y Desgarro de Retina}

Retinal Detachment and Tear

Spontaneous retinal separation can cause blindness.

{Edema Macular}

Macular Edema

Accumulation of fluid in the retina in the macula.

{Membranas epiterrianas}

epiterrian membranes

Development of a translucent cell membrane over the central area of the retina.

{Complicaciones por la uveítis}

Complications due to uveitis

Risk factors for suffering from uveitis.


It is the most common vascular disease of the retina. It is caused by damage to the retinal vessels due to the metabolic decompensation of diabetes. It leads to a loss of vision that can sometimes lead to blindness. It is the main cause of blindness in the world.


The macular hole is generally a consequence of aging, so it usually affects people over 60 years of age. The aging process has two specific effects on the structure of the eye. On the one hand, the macula, which is the central part of the retina, becomes increasingly thinner. On the other hand, the vitreous humor, a gelatinous substance that under normal conditions occupies the entire interior of the eyeball, contracts. Throughout this process, a part of the vitreous humor may remain attached to the macula instead of detaching, so it pulls on it. This, together with the thinning of the macula, causes the tension generated to cause a tear in the central part of the retina. A macular hole is a small tear in the macula, the part of the eye responsible for central vision. In addition to age, myopia, ocular trauma, certain eye injuries or a long-term ocular inflammatory process are other risk factors for suffering a macular hole.


Retinal detachment is an eye disease that occurs due to the spontaneous separation of the neurosensory retina from the pigment epithelium. Since it does not cause pain and, in many cases, is not accompanied by vision loss at the beginning, it is important to be alert to the symptoms of a retinal detachment, even if they are apparently harmless.


Macular edema is caused by the accumulation in the macula of fluid that comes out of the blood vessels that feed the retina, either because they are abnormal or because their walls are too thin, which causes their dilation and increased permeability. It is usually a complication of different ocular pathologies, such as diabetic retinopathy, retinal vein thrombosis, age-related macular degeneration, uveitis, among others. The most common causes are diabetic retinopathy and edema secondary to retinal vein thrombosis.


Macular edema occurs in people who have leaky blood vessels in the retina. This is known as diabetic retinopathy. Macular edema occurs when these damaged blood vessels leak fluid into the macula, causing it to swell. Macular edema can cause blurred and faded vision.
What does a healthy retina look like?
What does a retina with macular edema look like?


Uveitis is an inflammation of the uvea, a membrane that surrounds the inside of the eyeball and is responsible for nourishing the eye from the inside. Uveitis is one of the most important causes of blindness in the world, due to the intimate contact that the uvea has with important parts of the eye such as the optic nerve and retina. The most important thing about uveitis is that a large percentage of it is associated with systemic diseases that have not yet manifested and/or been diagnosed.