T. O. Pärssinen

Corneal refraction and topography in school myopia.

T. O. Pärssinen, 1993, The CLAO journal : official publication of the Contact Lens Association of Ophthalmologists, Inc.

Relation between refraction, education, occupation, and age among 26- and 46-year-old Finns.

T. O. Pärssinen, 1987, American journal of optometry and physiological optics.