Numbness in right side of the face.

Dear doctor, I am recovered from covid on last month 28th..was admitted in hospital for 2 days due to pnueomonia and was under steroids for 7 days..while taking steroids,I felt numbness in right side of the face which sometimes I feel in eye lid and I feel eye is closing automatically but it's not and this was persisting for 7 days and been to doctors and he did a nasal endoscopy which was Normal and did a eye check up and it was normal and I didn't had that sensation in this month..but today again it started..this is sensation comes and goes in the same day..it's present for 3_4 hrs and no sensation for next 4 hours . yesterday I read about black fungus case and got tensed but so far I have no black fungus symptoms..no swelling etc..what can be this.