Clear vesicles in the inner eyelid of the eye may be a clear bulge caused by conjunctivitis, obstruction of the conjunctival lymphatic vessels or conjunctival cysts. Patients are advised to visit a hospital ophthalmology clinic to improve the relevant tests to help confirm the diagnosis and take appropriate treatment under the guidance of a doctor in a timely manner. The common causes and treatment measures are as follows: 1. Conjunctivitis: can be caused by infection, immune abnormalities, physical stimulation and many other factors, inflammatory stimulation to the formation of lymphatic follicles, can be manifested as transparent vesicles in the inner eyelid, vesicle morphology performance is diverse, can be single, can also be clustered multiple small vesicles, mostly accompanied by conjunctival congestion, edema, eye pain, photophobia, lacrimation, increased secretions and other manifestations, it is recommended to seek medical advice to clarify the cause after Treatment, such as the application of antibiotics or antiviral eye drops or ointment, such as levofloxacin eye drops, erythromycin eye ointment, allergy-induced conjunctivitis can be applied to antihistamines, hormones, such as Olopatadine eye drops, can also be applied to artificial tears to flush the eyes to relieve discomfort; 2, conjunctival lymphatic obstruction: lymphatic reflux obstruction, can appear transparent blister-like bulges, varying in shape, mostly Patients can have red eyes, foreign body sensation, tearing and other manifestations, and can apply local antibiotics, hormonal drugs, such as erythromycin eye ointment, flomylone drops, under the guidance of a doctor, or consider fine needle puncture, local liquid nitrogen freezing or surgical treatment; 3, conjunctival cysts: the causes are mostly related to eye trauma, surgery, inflammation, parasitic infection, etc., and can also be Congenital conjunctival cysts, mainly manifested as cyst-like transparent elevations on the fornix of the lower eyelid, with clear borders, can gradually increase in size, mostly without discomfort, and with the increase of the cyst there may be a foreign body sensation. If the cyst is small and uncomfortable, it can be treated without special treatment, while if it is large, it may require surgical removal. In addition, dysfunction of the lid gland, such as blockage of the lid gland, may cause small granular elevations in the eyelid area that are not completely transparent and may be white or light yellow, which may be mistaken for clear vesicles.