. "Hans-Joachim Haase (1915 \u2013 December 20, 2001) was a German clockmaker, optician and inventor, who became known for an apparatus for testing binocular vision and for the MKH method, an alternative method intended to improve binocular vision using corrective lenses. This method, which is controversial, has mainly found application in German-speaking countries."@en . . . . "9699"^^ . "Hans-Joachim Haase (1915 \u2013 December 20, 2001) was a German clockmaker, optician and inventor, who became known for an apparatus for testing binocular vision and for the MKH method, an alternative method intended to improve binocular vision using corrective lenses. This method, which is controversial, has mainly found application in German-speaking countries."@en . . "46390162"^^ . . . "Hans-Joachim Haase (* 3. Juli 1915 in Parchim; \u2020 20. Dezember 2001 in Berlin) war ein deutscher Uhrmacher und Augenoptiker."@de . . . . . . . . . . . "Hans-Joachim Haase (* 3. Juli 1915 in Parchim; \u2020 20. Dezember 2001 in Berlin) war ein deutscher Uhrmacher und Augenoptiker."@de . . "Hans-Joachim Haase (Augenoptiker)"@de . . "Hans-Joachim Haase (optician)"@en . . . . . . . . . . . . . . . . "1028828845"^^ . . . . . . . . . . . .