This book is designed to help optometry students , practicing optometrists , preparing for optometry examinations and viva / interview. It also serves as a guide to help comprehensive optometrist update and expand their knowledge of optometry . The content includes basic ocular anatomy & physiology , newer techniques in refraction and clinical procedures and instruments used in optometry . Common ocular diseases and therapeutic & diagnostic drugs , binocular vision and squint , their diagnostic test ,orthoptics techniques , newer modalities in contact lens and spectacle fields and low vision and management , which all covers a vast field of optometry.