Corneal Topography Notes
Further Reading
Veys J, Meyler J & Davies I (2002) Essential Contact Lens Practice (Chapter 3). Butterworth Heinemann Optician. Oxford.
Gasson A & Morris J (2010) The Contact Lens Manual 4th Edition (Chapter 2). Butterworth Heinemann Elsevier.
Rabbetts R (1998) Clinical Visual Optics 3rd Edition. (Chapter 20). Butterworth Heinemann. Edinburgh.