Gioioso's Case

1. We need not consider the correctness of the single member’s evidentiary rulings complained of by the employee, as there has been no showing that he was in any way prejudiced thereby. See Vaz’s Case, 342 Mass. 495, 498 (1961). See also Indrisano’s Case, 307 Mass. 520, 523 (1940), and cases cited. The record does not reveal, through offers of proof or otherwise, what additional competent evidence, if any, the employee would have presented if he had been permitted to introduce testimony about (a) his condition before October 11, 1972, (b) his vision problems, or (c) “the expression on his…