Dry Eye Syndrome: This condition is characterized by a lack of sufficient lubrication on the surface of the eye, leading to burning and watering sensations. It's a common issue, especially in individuals who spend a lot of time in front of screens, wear contact lenses, or have certain medical conditions.

Allergic Conjunctivitis: An allergic reaction to substances like pollen, dust, or pet dander can cause eye burning and watering. This condition is often accompanied by itching and redness.
Irritant Conjunctivitis: Exposure to chemicals, smoke, or other irritants can lead to eye burning and watering. This condition can be acute or chronic, depending on the duration of exposure.
Blepharitis: Inflammation of the eyelids can cause burning sensations and excessive tearing. This condition is often associated with poor eyelid hygiene or conditions like rosacea.

Acute Angle-Closure Glaucoma: Although less common, this condition is an emergency that requires immediate medical attention. It can cause severe eye pain, burning, watering, and vision loss.
Corneal Ulcer: An open sore on the cornea can lead to intense pain, burning, and watering. If left untreated, it can result in serious complications, including vision loss.
Chemical Burn: Exposure to caustic substances can cause severe eye burning and watering. Prompt treatment is essential to prevent long-term damage.

Sjögren's Syndrome: An autoimmune disorder that can cause dry eyes and mouth. While it's less common, it's essential to consider in patients with persistent symptoms.
Trigeminal Neuralgia: A condition that affects the nerve responsible for eye sensation, leading to intense burning or stabbing pain. It's a rare condition but should be considered in patients with atypical symptoms.
Ocular Rosacea: A condition characterized by inflammation of the eyes and eyelids, often associated with rosacea. It can cause burning sensations, watering, and redness.