Morphometric Study of Orbital Index in Dry Fully Ossified Human Skulls

Background: The orbits are craniofacial structures and situated in the skull on either side of sagittal plane. The orbits enter the facial and cranial regions equally and each orbital cavity acts as a socket for the eyeball essentially. It also supports associated muscles, vessels, nerves, fascial strata, lacrimal apparatus, soft pad of fat and lodges the visual apparatus. Bony orbit is a very important area for anatomists, forensic experts, anthropologists as well as surgeons. Methods: This cross-sectional analytical study was carried out in the Department of Anatomy, Dhaka Medical College, Dhaka over a period of one year from January 2020 to December 2020. The study was conducted on 70 dry fully ossified human skulls and height, weight and index of orbit were measured and compared between right and left side. Data were analyzed by SPSS software, version-24 and p value < 0.05 was considered statistically significant for all tests. Results: The study revealed that in the right side, the mean orbital height, width and index were 33.64±0.88 mm, 39.63±1.66 mm and 85±3.45%, respectively. In the left side, the mean orbital height, width and index were 33.54±1.0 mm, 39.48±1.25 mm and 85.03±3.13%, respectively. There was no statistically significant difference of orbital height, width and index between right and left side (p = 301, p = 328 and p = 954, respectively). Conclusion: The present study was an attempt to produce a morphometric data on different variables (Orbital height, width and index) of fully ossified dry human orbital cavities.