muscular asthenopia n.
Asthenopia due to imbalance of the extrinsic ocular muscles.
muscular asthenopia undoubtedly occurs; it is only a question whether it is as frequent as it is diagnosed.
Notwithstanding the existence of a considerable preponderance of the externi, muscular asthenopia may be entirely absent.
We must place the same claims to the diagnosis of muscular asthenopia as to that of the accommodative form.
The proof that it is not a case of muscular asthenopia is sometimes only obtained by the operation.
Yet still more is this the case with those disorders, of which muscular asthenopia may be supposed to be the cause.