Clear blisters appearing in the patient’s eyes may be caused by vesicular conjunctivitis, lymphatic obstruction, conjunctival stones and so on. 1. Vesicular conjunctivitis: Vesicular conjunctivitis is an immune response disease, the common germs mainly include Staphylococcus aureus, Mycobacterium tuberculosis, Chlamydia trachomatis, etc. In the stimulation of inflammation, the patient’s conjunctiva may appear as a blister-like bulge, and the patient may be accompanied by itchy eyes, eye pain and other uncomfortable symptoms. 2. Lymphatic vessel obstruction: the conjunctival tissue of the eyeball contains abundant lymphatic vessels affected by certain adverse factors, resulting in lymphatic vessel obstruction, resulting in obstruction of lymphatic fluid elimination, and transparent blisters may appear in the eyes of patients. 3. Conjunctival stones: Conjunctival stones are white or grayish-white stones of small dots and rice size that are deposited on the surface of the eyelid conjunctiva due to the shedding of cells and chronic inflammation, and may be accompanied by discomfort such as photophobia and tingling. It is recommended that patients with clear blisters in the eyes and other discomforts consult a doctor for evaluation of their condition and treatment as prescribed by the doctor.