The best replacement for drusen is exudate.

The best alternatives to drusen are rated as following:
★★★★★  exudate
★★★★  exudates
★★★★  lipofuscin
★★★  cotton wool spots
★★  ped
★★  hard drusen
★  papilledema

Your alternative for drusen is not listed? Suggest!
Speaking about drusen, one probably shouldn't forget about oct.

Other search terms related to drusen and their ratings are:
★★★★★ oct
★★ macular degeneration
You have in mind a companion for drusen and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of drusen in all years. Click on graph for more.
drusen
exudate
exudates