Spectacle Warehouse Prinsman - Visit us for a comprehensive visual examination. Clinic Day at the Pharma Valu Pharmacy Esselen Street 286 Sunnyside every Wednesday of the month for r eye test/screening for drivers license. Spectacles can be chosen and collected at the pharmacy. Spectacle Warehouse Prinsman is contracted with all Medical Aids. Employers: Most companies have started adopting a policy of looking after the well-being of their employees to ensure maximum productivity and performance. ON SITE visual screening offers employees an easy way to have their vision assessed at no cost and with little effort.