Sub-Conjunctival Haemorrhage What is it? A sub-conjunctival haemorrhage is caused by bleeding underneath the conjunctiva (transparent lining over the white part of the eye). This condition often looks worse than it really is. Usually it does not threaten your vision and it is not painful or dangerous. Causes: Spontaneous/unknown cause Physical trauma to the eye … Continue reading Sub-Conjunctival Haemorrhage