49-4-202. Policy of the state. It is the policy of the state to encourage and enable the blind, the visually impaired, the deaf, and the otherwise physically disabled to participate fully in the social and economic life of the state and to engage in remunerative employment. The blind, the visually impaired, the deaf, and the otherwise physically disabled must be employed in the state service, the service of the political subdivisions of the state, the public schools, and all other employment supported in whole or in part by public funds on the same terms and conditions as the able-bodied, unless it is shown that the particular disability prevents the performance of the work involved.