David Easty Books

Oxford Textbook Of Ophthalmology: 2 Volume Set

By John Sparrow, D. L. Easty, David Easty, David L. Easty, John M. Sparrow, David L. Easty And John M. Sparrow

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This new Oxford Textbook will become the definitive reference for ophthalmology. Fully illustrated in colour throughout, it covers all aspects of the scientific basis, pathophysiology, diagnosis, a...

Current Concepts In Ophthalmic Surgery

By Easty, D. L. Easty, David Easty, David Easty, Editor

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A comprehensive state-of-the-art review of current operative techniques and management strategies for the principal ophthalmic conditions requiring surgery. The author also covers anaesthetic consi...

Seasonal Allergic Conjunctivitis And Rhinoconjunctivitis

By D. L. Easty, David Easty, Royal Society Of Medicine (Great Britain, Richard Wyse, Richard K. H. Wyse

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Immediate Eye Care

By David Easty, Nicola K. Ragge, D L Ragge N K Easty, Nicola K. Ragge, David L. Easty

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A practical guide to the diagnosis and management of eye diseases. The book is divided into two sections, the first takes each part of the eye separately and describes systematic disorders and the...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.