References
- Rosenfield M, Logan N, Edwards K. Optometry: Science, Techniques and Clinical Management, 2nd ed. Atlanta: Elsevier Health Sciences, 2009. p 209–227.
- Harvey W, Franklin A. Eye Essentials: Routine Eye Examination. Oxford: Butterworth‐Heinemann, 2005. p 99–112.
- Grosvenor T. Primary Care Optometry, 5th ed. Oxford: Butterworth‐Heinemann, 2007. p 114, 209–224.
- Benjamin WJ. Borish's Clinical Refraction, 2nd ed. Oxford: Butterworth‐Heinemann, 2006. p 836–847.
- West D, Somers WW. Binocular balance validity: a comparison of five common subjective techniques. Ophthalmic Physiol Opt 1984: 4: 155–159.
- Elliott DB. Clinical Procedures in Primary Eye Care, 3rd ed. Oxford: Butterworth‐Heinemann. 2007. p 119–124.
- Carlson NB, Kurtz D. Clinical Procedures for Ocular Examination, 3th ed. New York: McGraw‐Hill Medical, 2003. p 98–140.
- Portney LG, Watkins MP. Foundations of Clinical Research. Applications to Practice, 2nd ed. Upper Saddle River, New Jersey: Prentice Hall Health, 2000. p 115–140.
- Eskridge JB, Amos JF, Bartlett JD. Clinical Procedures in Optometry. Philadelphia: JB Lippincott Company, 1991. p 687–691.
- Goss DA, Grosvenor T. Reliability of refraction—a literature review. J Am Optom Assoc 1996; 67: 619–630.