Red bloodshot congestion at the corners of the eyes mostly refers to conjunctival congestion, which is mostly seen in conjunctivitis, dry eye, eye trauma, foreign bodies on the eye surface, and visual fatigue. 1. Conjunctivitis: Bacteria, viruses and other pathogenic bacteria infect the conjunctiva leading to infective conjunctivitis or allergic conjunctivitis due to allergies, under the stimulation of inflammation, patients may experience conjunctival congestion, which can also be accompanied by increased eye secretions, foreign body sensation and other uncomfortable symptoms. 2. Dry eye: Dry eye can be caused by insufficient tear secretion or poor tear film quality, and patients may have dry eyes, foreign body sensation, conjunctival congestion and other discomforts. 3. Ocular trauma: patients with ocular trauma may experience conjunctival congestion due to trauma to the eyeball, and may also experience vision loss, subcutaneous bruising and other discomforts. 4. Foreign body on the eye surface: patients with foreign body on the eye surface will have obvious foreign body sensation due to the friction of the foreign body on the eye surface, which stimulates the conjunctiva, and may be accompanied by conjunctival congestion and other discomforts. 6. Visual fatigue: when patients suffer from visual fatigue caused by staying up all night and eye fatigue, they may suffer from conjunctival congestion and eye soreness. It is recommended that patients with obvious conjunctival congestion consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.