What is cherry red spot?

Cherry red spot is a significant fundoscopic finding in the macula, observed in central retinal artery occlusion (CRAO) and a variety of lipid storage disorders.

What is cherry red spot in CRAO?

A cherry-red spot is a finding in the macula of the eye in a variety of lipid storage disorders and in central retinal artery occlusion. It describes the appearance of a small circular choroid shape as seen through the fovea centralis.

What causes cherry red spot in Tay Sachs?

The accumulation of lipid in retinal ganglion cells that leads to a chalk-white appearance of the fundus called ‘cherry red spot’ is the hallmark of Tay-Sachs disease. It is also seen in others neurometabolic diseases as well as in central retinal artery occlusion.

What is hollenhorst plaque?

Cholesterol emboli aka Hollenhorst plaque: Yellow, refractile, typically located at the carotid artery bifurcation. They tend to originate from carotid arteries or the aorta. This finding is consistent with carotid disease originating from atherosclerotic lesions.

What is Berlin’s edema?

Disease. Commotio retinae refers to traumatic retinopathy secondary to direct or indirect trauma to the globe. Retinopathy may be present at areas of scleral impact (coup) and or distant sites (contrecoup) including the macula. Commotio retinae in the posterior pole is also referred to as Berlin’s edema.

What is box carring?

Attenuation of the retinal vasculature, including segmental irregularities of the retinal arterioles, can be seen and is referred to as “box-carring.” Most important, fluorescein angiography shows a noticeably delayed rate of filling of the retinal arterial tree.

How long do people live with Tay-Sachs?

The condition is usually fatal by around 3 to 5 years of age, often due to complications of a lung infection (pneumonia). Rarer types of Tay-Sachs disease start later in childhood (juvenile Tay-Sachs disease) or early adulthood (late-onset Tay-Sachs disease). The late-onset type doesn’t always shorten life expectancy.

How is Tay-Sachs diagnosed?

The blood test checks the levels of hexosaminidase A enzyme in the blood. The levels are low or absent in Tay-Sachs disease. Genetic testing. This test can examine the HEXA gene to identify whether there are changes that indicate Tay-Sachs disease.

How do you increase blood flow to the retina?

Treatments

  1. Eye massage. Your doctor will massage your closed eyelid with a finger to dislodge the clot.
  2. Carbon dioxide-oxygen. You breathe in a mixture of carbon dioxide and oxygen to increase blood flow to the retina.
  3. Paracentesis.
  4. Medications.

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