Allergy and lower eyelid (photo)

Hello.does allergy in eye cause to eyelid sagging? BecAuse i had surgery but it sagged again ...and doctors said me that i have allergy in my both of eyes.please can u answer ?Can i have surgery again ? Is it risky to have a surgery again ? And my eyes look like chassis eventough i dont have any vision eyes didnt look like chassis 2 years ago but now my lef eye looks like chassis :( :( pplease can u answer why does my eye look likethis ? Because of ptosis or eyelids

No doctor answers yet