glasses - dioptre, food - ?

CALORIE
List of words for the clue glasses - dioptre, food - ? from the crossword:
UNIT DIOPTER DIAMOND CARAT OPERA SPECS RIMS SPECTACLES NEZ LENS GOBLETS EYEWEAR DOC TACO EYES ALPO STEMWARE CLINK TUMBLERS
WordClue
COOKprepares food for a living
FEEDFood given to animals
FOODdioptre - glasses, calorie - ?
LOAFusually oblong mass of food
MEALfood
MENUlist of food
NOSHfood
SOUPprimarily liquid food
VEALThe flesh of a calf used for food
BERRYfood
BREADstaple food prepared from a dough
BROTHliquid food preparation
CARATglasses - dioptre, diamond - ?
CHEERfood, provisions
GRITSfood made from corn
DIAMONDdioptre - glasses, carat - ?
DIOPTREfood - calorie, glasses - ?
GLASSEScalorie - food, dioptre - ?
GOGGLESsafety glasses
SPECTACLESglasses
CARATglasses - dioptre, diamond - ?
SALTGlauber's or table