**11.3 Liposome in eye disorders**

Liposomes are used with disorders associated to front and later segments. Retinal diseases cause eye blindness in most advanced countries. Liposomal formulations related to eye disorders are approved for patents and few are in clinical trials. Verteporfin is one of the liposomal based products used in leak of blood vessels at eye caused by pathologic myopia, histoplasmosis (a fungal infection) to eye and age-related macular degeneration.

#### **11.4 Vaccine adjuvant liposomes**

Liposomes acts as immune adjuvant and has potentiating activity for cell and non cell mediated immunity [103]. Liposomes are immunological (vaccine) adjuvant, vaccines, carrier of immune modulation and tool in immune diagnostics. Liposomal immuno-adjuvant releases encapsulated antigen very slowy and passively accumulates in lymph node [104] by coupling to the liposomal membrane [105]. Liposomal vaccines can be stored in refrigerator for about 12 months.
