Regener-Eyes® is a first in class, natural, biologic ophthalmic solution that is preservative free. Regener-Eyes® Ophthalmic Solution, Professional Strength and LITE contain naturally occurring cytokines, chemokines and growth factors such asVEGF, TGFβ1, TGFβ3, EGF, IL-1Ra , PDGF, ST2, bFGF, KGF, GDF11, HC-HA/PTX3 (Pentraxin 3) (hyaluronic acid), andCollagen Types I, III, IV, V. These proteins and growth factors are natural, necessary for cell function, overall health of the eye, and homeostasis.