Spectacle Lenses, 1st Edition

The access code for your new eBook will be sent in your order confirmation email. Your code can also be accessed in your My Account section on the Elsevier webshop. If you do not receive your code within a few minutes, please check your spam folder.

Step-by-step guidance on how to download Bookshelf and also redeem your code can be found here.

The access code for your new eBook does not expire. However, we always suggest redeeming immediately after purchase to start experiencing the benefits of and insights from your purchase. Important to note - the code provided is a single use code and only valid for the edition you purchase. It does not provide access to past nor future editions of the title.

You will have unlimited access to your eBook on the device to which it was downloaded.

Discover the various learning features that our eBooks offer on the Bookshelf® Reader! For example, you can highlight different text passages, create notes and flashcards, have the text read to you, etc. Particularly practical: You can also use your eBooks offline. More information on the learning functions can be found on the Vitalsource page.

Quality is our top priority. That's why we collaborate with the leading eBook reader provider VitalSource. VitalSource has its own eBook reader Bookshelf®, which you can easily download. This reader is very user-friendly and offers more features than other standard readers. For example, you can highlight different text passages, create notes and flashcards, have the text read to you, etc. Particularly practical: You can also use your eBooks offline. More information can be found on the Vitalsource page.

Elsevier offers its eBooks in ePub format, as we believe this format is best suited to display our content ideally on as many devices as possible.

You can return your eBook within 13 days of purchase. eBooks that have been partially printed or flipped through more than 15% are excluded from returns.