A broken blood vessel in the eye usually heals on its own, and there is no proven way to make it go away faster. In most cases, it clears naturally within about 1 to 2 weeks without treatment.
This happens when a tiny blood vessel on the surface of the eye breaks, causing a bright red patch. It may look alarming, but it is usually painless and harmless. Medical sources consistently show that no medication or procedure can reliably speed up the healing process, and treatment is mainly supportive.
During healing, it helps to avoid rubbing the eye or doing activities that strain it, such as heavy lifting. Artificial tears can be used if there is mild irritation, but they do not make the blood clear faster. Most cases improve gradually as the body reabsorbs the blood.
If the redness happens often, lasts longer than two weeks, or comes with pain or vision changes, it is important to see an eye doctor for evaluation.