About author: Cheruvu Ravindra Reddy*, Dr. Hindustan Abdul Ahad B. Pharmacy, Balaji College of Pharmacy, Anantapur, AP, India *E-mail: cheruvuravindrareddybcp@gmail.com Introduction : Appearance and convenience are near the top of the list in life’s priorities for people. Everyone wants to look their best and want things to be convenient and easily manageable. Spectacles and contact lenses can quickly become ... Read More »