###Rationale: Ans. (d) TamoxifenRef: Yanoff 3/e, p. 645Tamoxifen is known to cause retinopathy and macular edema as an adverse effect. It is not used in the treatment of Diabetic Macular edema or retinopathy.* Ruboxistaurin - PKC inhibitor* Pyridazinones/Spiroimides/corbotyliz acid -- aldose reductase inhibitors* Benfoliamine -|levels of AGE's

###Answer: OPTION D IS CORRECT.
###Question: Which of the following agents is not used in the treatment of Diabetic Macular Edema/Retinopathy:
###Options:
A. Ruboxistaurim
B. Pyridazinones
C. Benfotiamine
D. Tamoxifen
