@article {Murphy2002,
	title = {An assessment of the orthogonal astigmatism test for the subjective measurement of astigmatism},
	journal = {Ophthalmic and Physiological Optics},
	volume = {22},
	year = {2002},
	pages = {194-200},
	author = {Murphy, P.J. and Beck, A.J. and Coll, E.P.}
}
