What can be a risk factor leading to increased conjunctival hemorrhage?

Increased conjunctival hemorrhage, which is the rupture of small blood vessels in the conjunctiva leading to a noticeable red spot in the eye, is commonly associated with elevated blood pressure. High blood pressure can cause increased pressure on the fragile blood vessels in the conjunctiva, making them more susceptible to breaking, particularly during activities that elevate body pressure like heavy lifting, intense coughing, or straining.

Low blood pressure, dry eye conditions, and refractive errors do not typically contribute to the increased risk of conjunctival hemorrhage. Low blood pressure is generally not associated with vascular stress, while dry eye conditions primarily affect tear film and surface comfort rather than vascular integrity. Refractive errors relate more to vision clarity than vascular health. Thus, high blood pressure is the primary risk factor for increased conjunctival hemorrhage due to its direct effect on blood vessel fragility.