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	1.	A comparative study of refractive errors of young myopes and their parents. [electronic resource] by Ditmars, D L Producer: 19671119 In: American journal of optometry and archives of American Academy of Optometry vol. 44 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Relationship between refractive error, phoria, and interpupillary distance in 500 patients. [electronic resource] by Ditmars, D L Producer: 19660527 In: Journal of the American Optometric Association vol. 37 Availability: No items available. Save to lists Add to cart (remove)
	3.	A contact lens for the treatment of color vision defects. [electronic resource] by Ditmars, D L Keener, R J Producer: 19760802 In: Military medicine vol. 141 Availability: No items available. Save to lists Add to cart (remove)
	4.	Refraction of young myopes and their parents--a reanalysis. [electronic resource] by Hirsch, M J Ditmars, D L Producer: 19690319 In: American journal of optometry and archives of American Academy of Optometry vol. 46 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Eye protection from light radiation. [electronic resource] by Staffanou, R S Ditmars, D L Drucker, C Middleton, G W Producer: 19761101 In: The Journal of prosthetic dentistry vol. 35 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)