What type of services may a retired OD provide in volunteer settings?

The correct choice highlights the role of retired optometrists in contributing to community health through volunteer work. Retired ODs can engage in providing vision screenings and participating in health fairs, which offer valuable services to individuals who may not have easy access to optometric care. These settings allow retired optometrists to utilize their skills and knowledge to benefit the community without the constraints of a formal practice or the regulations surrounding paid services.

Options that suggest providing surgical services or engaging in paid consultations do not align with typical volunteer roles and the scope of practice restrictions that apply after retirement. Similarly, focusing solely on optometric research may limit the beneficial interactions with the community that volunteer services provide. Thus, engaging in vision screenings and community health initiatives offers a meaningful way for retired optometrists to remain active in professional service while supporting public health initiatives.