CONOID OPHTHALMIC LENSES IN LEGAL BLINDNESS.

VOLK D

The omnifocal lens for presbyopia.

VOLK D, WEINBERG JW

Conoid cataract lenses for the correction of aphakia.

VOLK D

A television reader; as a subnormal vision aid.

POTTS AM, VOLK D, WEST SS

Aspherical objective lenses; as an aid in indirect ophthalmoscopy; a preliminary report.

SUDARSKY RD, VOLK D

Conoid refracting surfaces and conoid lenses.

VOLK D

Disturbance of perception of verticality in patients with hemiplegia: second report.

BRUELL JH, PESZCZYNSKI M, VOLK D

Eye movements in an adult with cerebral hemispherectomy.

BRUELL JH, VOLK D

Dissimilarity of retinal microaneurysm and glomerular nodule in diabetes.

VOLK D

Visual function studies in a case of large aberrant vessels in the macula.

VOLK D

Objective methods of refraction: a comparison of the Rodenstock eye-refractometer and the Reid streak-reinoscope in determining the refractive status of an eye.

VOLK D

Effect of quality of illumination and distance of observation upon performance in the Ishihara test.

VOLK D, FRY GA