This document outlines common ocular symptoms seen in ophthalmology and their potential causes. It discusses symptoms related to vision such as blurred vision, floaters, flashes of light, and diplopia. Symptoms related to external structures like eyelids and conjunctiva are also described, including redness, discharge, swelling and lumps. Specific conditions that can cause sudden or gradual vision loss, flashes, floaters, eye pain, headache, photophobia and eye strain are enumerated. The document provides an overview of symptom presentation in ocular diseases to aid in clinical evaluation.