Eyestrain rhymes with:
coltrain, powertrain, sartrain, seatrain, birdbrain, casgrain, coltrain, forebrain, magrane, membrane, migraine, powertrain, sartrain, seatrain
Eyestrain sounds like:
eastern, eckstrom, ecuadoran, ecuadorean, ecuadorian, ekaterina, ekstrom, equestrian, estrin, excedrin, extreme