Abstract
Purpose:
To determine relationship between axial length and 64 cells retinal thickness with posterior pole asymmetry scan (PPA) or optic disc-to-fovea angle (OFA) in young healthy eyes.
Methods:
A prospective study of 64 healthy right eyes was performed. All participants (mean age 25.6 ± 3.5) underwent comprehensive ophthalmologic examination, including axial length, color fundus photographs and optical coherence tomography (OCT). The 64 cells retinal thicknesses were measured by the PPA of Spectralis SD-OCT. The OFA was calculated using the fundus photographs. The relationships between the retinal thickness of the 64 cells or the OFA and the axial length were investigated using linear regression analysis.
Results:
Retinal thicknesses of central 4 cells were not significantly correlated with the axial length (R=-0.07 to 0.01, p >0.05). Retinal thicknesses of almost other cells (54 cells) were significantly negatively correlated with the axial length (R=-0.25 to -0.56, p <0.05). The OFA was not significantly correlated with the axial length (R=-0.17, p=0.19).
Conclusions:
The retinal thicknesses of the central 4 cells and OFA were constant regardless of the axial length in young healthy eyes.
Keywords: 605 myopia •
550 imaging/image analysis: clinical •
688 retina