This is the 3513th most frequent Spanish word.
gafas
Glasses (for vision or protection).
In this sentence, 'gafas' is used to refer to eyeglasses, a pair of lenses mounted in a frame worn on the face.
Me compré unas gafas nuevas para leer.
I bought new glasses for reading.
Here 'gafas' is used in the context of 'gafas de sol', which means sunglasses, used for eye protection against sunlight.
Las gafas de sol protegen tus ojos de la radiación solar.
Sunglasses protect your eyes from sunlight radiation.
In this context, 'gafas' refers to prescription glasses that aid in visual correction.