Delhi Journal of Ophthalmology

Measurement of Orbital Dimensions (Orbital Height, Breadth and Length of Superior Orbital Fissure) using Dry Skull's

Aakanksha Shukla, Pradeep Bokariya, Ruchi Kothari, Smita Singh 
Mahatma Gandhi Institute of Medical Sciences, Sevagram, Wardha -  (Maharashtra) India

Editor-in-Chief, Delhi Journal of Ophthalmology, Dr R.P.Centre, AIIMS.


Corresponding Author:

Ruchi Kothari (Associate Professor)
Dept. of Physiology, Mahatma Gandhi Institute of Medical Sciences,
Sevagram, Wardha - (Maharashtra) India
Email id: ruchi@mgims.ac.in


Received: 17-AUG-2018 Accepted: 13-APR-2020 Published Online: 09-OCT-2020
DOI: https://dx.doi.org/10.7869/djo.566

Abstract
Introduction: Anthropometry is the scientific study of the measurements and proportions of the human body. Anthropometric studies are an integral part of craniofacial surgery and syndromology. Each orbital cavity is essentially intended as a socket for the eyeball. Assessment of orbital dimensions is important for knowing the anatomy of orbital structures and surgical management of orbital pathologies. 
Aim: To estimate the orbital index and length of superior orbital fissure using dry skulls.
Methods: The study was conducted in the Anatomy department after ethics clearance. Forty dried skulls were utilised for study. The measurements for the dimensions of the orbital cavities were taken directly using a digital Vernier Calliper calibrated in millimetres except inter distance between lateral walls which was estimated by spreading calliper. The parameters investigated in our study were Orbital height, Orbital breadth, Length of superior Orbital fissure, Inter-distance between medial wall and Inter - distance between lateral walls of Orbit. Orbital index was calculated using formula: OI = orbital height/orbital breadthX100.
Result: Mean orbital height of right orbit of the dry skulls was 31.94±2.91mm and Left orbit was 31.85±3.34mm. Mean Orbital breadth of right orbit was 39.6±1.88mm and Left orbit was 39.91±2.65mm. The mean inter-distance between medial walls of orbits was 21.62±1.08mm. The mean inter-distance between lateral walls of orbits was 94.28±4.45mm. Mean length of right superior orbital fissure of the dry skulls was 1.39±0.21cm and Left orbital fissure was 1.4 ±0.24cm. The mean Orbital index of Right orbit was 80.9 and Left Orbit was 80.2. Paired t test demonstrated no significant statistical difference between the right and left orbits (p>0.05).
Conclusion: Normative Data for Indian skulls was reported. No significant difference was reported in the right and left orbits.

Keywords :Orbital Dimensions, orbital Height, orbital Breadth, superior orbital Fissure