Determining axis misalignment and power errors of toric soft lenses

International Contact Lens Clinic

Volumn 24, Issue 3, 1997, Pages 101-107

  Lindsay, Richard G ^a   Bruce, Adrian S ^b   Brennan, Noel A ^b   Pianta, Michael J ^b  

^a Victorian College of Optometry   (Australia)

^b NONE

Author keywords

Matrix optics; Oblique crossed cylinders; Overrefraction; Toric soft lenses

Indexed keywords

EID: 0031138958     PISSN: 08928967     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0892-8967(97)00035-7     Document Type: Article

References (9)

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2. 2. Hanks AJ, Weisbarth RE. Troubleshooting soft toric contact lenses. ICLC 1983;10:305-317.
3. 3. Jalie M. The Principles of Ophthalmic Lenses. 4th Ed. London, Assoc Disp Opticians, 1984.
4. 4. Dain SJ. Over-refraction and axis mislocation of toric lenses. ICLC 1979;6:57-61.
5. 5. Bergenske PD. A guide to prescribing toric lenses (part 2). Contact Lens Spect 1996;11:30-36.
6. 6. Long WF. A matrix formalism for decentration problems. Am J Optom Physiol Opt 1976;53:27-33.
7. 7. Keating MP. An easier method to obtain the sphere, cylinder, and axis from an off-axis dioptric power matrix. Am J Optom Physiol Opt 1980;57:734-737.
8. 8. Holden BA. The principles and practice of correcting astigmatism with soft contact lenses. Aust J Optom 1975;58:279-299.
9. 9. Long WF. Lens power matrices and the sum of equivalent spheres. Optom Vis Sci 1991;68:821-822.