Advised dilated examination. Pl consult ophthalmologist for further evaluation and treatment.

Get a dilated eye examination done

Detailed examination is needed

First we need to confirm whether this a true increase or false increase To confirm if it's a true increase, Dilated Refraction is important. If it's a false increase, then change of glasses are not required. If it's true increase (which is unlikely) : Sudden increase in Myopia could be due to Left eye Keratoconus or due to other factors like dry eyes or even Systemic conditions like certain oral medications or pregnancy.