Many new developments have taken place in ophthalmology since the publication of the last edition. It therefore became mandatory to revise and update the present edition. To accomplish this many new chapters have been added and the existing ones revised. Thoroughly revised and updated chapters Recent Advances in Lamellar Keratoplasty Principles of Molecular Genetics Intraocular Tumours Recent Advances in Oculoplastic Surgery Ophthalmic Electrodiagnostic Techniques Ultrasonography in Ophthalmology Ocular Coherence Tomography Anterior Segment Trauma Corneal Topography and Wavefront Sensing