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(eikonometry)
11 results
  • Evaluation of the aniseikonia inspector version 3 in school-aged children. [Journal Article]
    Optom Vis Sci 2014; 91(5):528-32Kehler LA, Fraine L, Lu P
  • CONCLUSIONS: Most children were able to complete aniseikonia testing with AI3. Background aniseikonia was clinically insignificant (0.59%), and induced aniseikonia measurements were close to expected values using a 4% size lens. Aniseikonia Inspector Version 3 appears to be a useful means for measuring aniseikonia in a normal pediatric population. Further study in children with anisometropia is needed.
  • A study of aniseikonia and Knapp's law using a projection space eikonometer. [Journal Article]
    Binocul Vis Strabismus Q 1999; 14(3):197-201Kramer P, Shippman S, … Lubkin V
  • CONCLUSIONS: As a geometric optics theory, Knapp's Law stands on its own merits. However, in clinical practice, reduction in retinal element density in high myopia limits its applicability. Such patients often do have significant aniseikonia which can produce ocular referable complaints and/or interfere with binocular vision.
  • Aniseikonia quantification: error rate of rule of thumb estimation. [Journal Article]
    Binocul Vis Strabismus Q 1999; 14(3):191-6Lubkin V, Shippman S, … Poppinga P
  • CONCLUSIONS: The frequency and magnitude of apparent clinical errors of Rule of Thumb estimation is disturbingly large. This problem is greatly magnified by the time and effort and cost of prescribing and executing an aniseikonic correction for a patient. The higher the refractive error, the greater the anisometropia, and the worse the errors in Rule of Thumb estimation of aniseikonia. Accurate eikonometric methods and devices should be employed in all cases where such measurements can be made. Rule of thumb estimations should be limited to cases where such subjective testing and measurement cannot be performed, as in infants after unilateral cataract surgery.
  • The control of aniseikonia after intraocular lens implantation. [Journal Article]
    Trans Ophthalmol Soc U K 1985; 104 (Pt 5):582-5Hillman JS, Hawkswell A
  • This paper reports a study of postoperative refraction and eikonometry of 50 patients who had unilateral cataract extraction with implantation of a pupil-supported intraocular lens. The mean postoperative aniseikonia (+/- SD) was 1.97 (+/- 1.82). A statistically significant relationship was shown between anisometropia and aniseikonia. Despite aniseikonia of up to 7.8 per cent there were no diplop…
  • Routine aniseikonic screening. [Journal Article]
    Br J Physiol Opt 1974; 29(3):126-9Hawkswell A
  • Analysis is made from data obtained after screening 1,000 measurable cases attending the eye department of a general hospital consecutively. Some 9 per cent of these patients were found to have a significant degree of aniseikonia. Symptoms of aniseikonia were found to be less common than suggested in the literature; these are limited to 3.6 per cent of the patients surveyed and are absent where t…
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