DR. NIRANJAN KARTHIK

Dr.M. V. S. PRAKASH, Dr.Yogeswari Alagappan

Abstract

Aim: To compare the accuracy & precision of measurement of axial proptosis using novel slit lamp exophthalmometry [SLE] & compare it with gold standard methods of Hertel’s exophthalmometry and CT based methods. Method : Patients with axial proptosis were assessed with slit lamp exophthalmometry and compared with Hertel’s exophthalmometry and CT measurements [3 CT methods]. Results: Both parametric (paired t-test) and non-parametric tests (Wilcoxon test) were done. 95 % CI indicated non-significant change between the techniques. Intra-correlation coefficient examined strength of agreement. Values >0.75 showed “excellent reliability”. Discussion & Conclusion: Advantages include stability to examiner & patients. Instrument errors are eliminated. Three CT methods & Hertels had statistically significant relationships with SLE. Exophthalmometry values are important for diagnoses, follow-up, and treatment decision-making. Hence a simple, objective examination method like SLE is needed.

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