also: メガネごし
noun
looking over the top of one's glasses
Describes the action of looking above the frames, often with a particular expression or attitude.
彼は眼鏡越しに私をじろりと見た。
He glared at me over the top of his glasses.
noun
looking through glasses
Simply looking through the lenses, without the nuance of looking over them.
The scenery seen through glasses is clearer than usual.
Compound of 眼鏡 (megane, 'glasses') and 越し (goshi, 'through, over').