safety glasses

GOGGLES
WordClue
DON... Giovanni, opera by Mozart
AIDAopera by Verdi
FOODdioptre - glasses, calorie - ?
BORIS... Godunov (opera)
CARATglasses - dioptre, diamond - ?
FLUTEThe Magic ... (opera)
NIGHTA ... at the Opera (film)
ORFEO... ed Euridice (opera)
CALORIEglasses - dioptre, food - ?
DIAMONDdioptre - glasses, carat - ?
DIOPTREfood - calorie, glasses - ?
EURIDICEOrfeo ed ... (opera)
FALSTAFFopera by Verdi
GIOVANNIDon ... (opera)
MARRIAGEof Figaro (opera)
SECURITYsafety
TRAVIATALa ..., opera by Verdi
TURANDOTopera by Puccini
BUTTERFLYMadama ... (opera)
SPECTACLESglasses
SECURITYsafety
MARATSafin, tennis player