Ocular pain is among the most common complaints in emergency clinics for medical attention. Most of the older population is affected by eye pain from post-ocular surgeries and debilitating eye conditions. Eye pain can be broadly classified as acute and chronic; eye pain exceeding 3 months is considered chronic. Moreover, nociceptive pain is the direct foundation of acute ocular pain. Nociceptive pain is associated with transient pain and activates the nociceptors due to actual or threatened damage to non-neural tissue and implies an intact somatosensory nervous system that affects the eyes. Generally, acute ocular pain arises from ocular trauma or during cataract or r...