What causes pseudoproptosis-
Hyperthyroidism
Optic nerve glioma
High myopia
Orbital pseudotomour
Ans. is 'c' i.e., High myopia * Pseudoproptosis (the false impression of proptosis) may be due to facial asymmetry, enlargement of the globe (e.g. high myopia or buphthalmos), lid retraction or contralateral enophthalmos.
Errors of Refraction