The distribution of near point of convergence, near point of accommodation and their association with interpupillary distance in young adults- A cross sectional study

---

Original Article

Author Details : Seema Dutt Bandhu*, Smita Atul Pawar, Sahil Garg, Yukta , Mohammad Hifz Ur Rahman

Volume : 9, Issue : 3, Year : 2023

Article Page : 122-125

https://doi.org/10.18231/j.ijooo.2023.027

Suggest article by email

Get Permission

---

Abstract

Clinical Relevance: Clinical Relevance: Vergence dysfunctions and accommodation anomalies are the main causes of asthenopic symptoms. These may be related to differences in the anthropometric measurements.
Background: The anthropometric measurements have a significance in understanding human physical and physiological variations. This study was carried out with the purpose of measuring the near point of convergence (NPC), near point of accommodation (NPA) and to determine their association with interpupillary distance (IPD) in a population of North-western India.
Materials and Methods: This was a cross sectional study carried out on young adults of 18-22 years age group. The NPC and NPA were measured with a Royal Air Force (RAF) scale. Distance IPD was measured with a ruler and autorefractometer. The results were analysed statistically to study the relation of the variables with each other.
Results: The average IPD of the study population was 62.18 mm, IICD was 29.65, NPC was 6.55 cm, NPA was 9.42 cm. The correlation between IPD and IICD was 0.15 (weak). The correlation between IPD and NPC was found to be 0.18, correlation between IPD and NPA OD was 0.35 and the correlation between IPD and NPA OS was 0.30, which all were statistically weak.
Conclusions: The anthropometric measurements of the study population were similar to those reported by other studies on the Indian population. The correlation between NPA and IPD and that between NPC and IPD was found to be weak.

Keywords: Convergence, Accommodation, Interpupillary distance

How to cite : Bandhu S D, Pawar S A, Garg S, Yukta, Rahman M H U, The distribution of near point of convergence, near point of accommodation and their association with interpupillary distance in young adults- A cross sectional study. IP Int J Ocul Oncol Oculoplasty 2023;9(3):122-125

This is an Open Access (OA) journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.