[Clinical investigation of hyaluronidase and nerve growth factor (NGF) at the ocular level: detailed review of the international literature].

: In this paper the authors analyse the international bibliography about clinic tests on hyaluronic acid and Nerve Growth Factor at ocular level. This study was performed on request of a private oculistic clinic in the centre of Rome about the clinic test of the drugs mentioned above. Therefore, this paper is a joint work of Public Health physicians and oculists.