The Theory of Human Basic Needs by Wanda Aguiar Horta suggests five principles. The tests conceived in order to certify the applicability of theories should include studies which will try out the conceptual basis in different cases. Bearing this in mind, patients indicated for cornea transplantation were chosen, whose basic needs involved were the gregarious life, security, apprenticeship, leisure, self-image, self-achievement, philosophy and sexuality. The proposed nursery intervention was analyzed under the theory principles, concentrating on the one that states "every nursing care is preventive, curative and implies rehabilitation", demonstrating also that the principles are closely related to each other