American Academy of Ophthalmology (2007).
Refractive Errors and Refractive Surgery (Preferred Practice Pattern). San Francisco: American Academy of Ophthalmology. Also
Donahue SP (2009). Presbyopia and loss of
accommodation. In M Yanoff, JS Duker, eds., Ophthalmology, 3rd ed., pp. 1059-1060. Edinburgh: Mosby
Riordan-Eva P (2008). Presbyopia section of Optics and
refraction. In P Riordan-Eva, JP Whitcher, eds., Vaughan and Asbury's General Ophthalmology, 17th ed., pp. 387-388. New York:
Trobe JD (2006). Refractive disorders section of
Principal ophthalmic conditions. In Physician's Guide to Eye Care, 3rd ed, pp. 121-124. San Francisco: American Academy of