Therefore, it is important to get the eyes checked up if you observe any bright red patch on the sclera. This eliminates the requirement of glasses or contacts and improves vision to a great extent. Though trauma to the eye is one of the common reasons behind the rupturing of blood vessels in the eye, sometimes increased episcleral pressure in the veins could cause the blood vessels to burst. Red eyes are caused when the blood vessels in the sclera i.e, the white part of the eye, becomes dilated and irritated. Mostly, it occurs without any warning. This guzzle article elaborates more on this
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