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Axial Length Asymmetry in Patients with Unilateral Retinal Detachment.
Hanru Wang1, Jee Yao Loke1, Weng Onn Chan2
1Department of Ophthalmology, Flinders Medical Centre, Bedford Park, SA 5042, Australia.
Medicina (Kaunas, Lithuania)
|March 28, 2026
Summary
In individuals with unilateral eye disease, the longer eye does not show a higher likelihood of rhegmatogenous retinal detachment or tear. Axial length is linked to, but not the direct cause of, this condition within individuals.
Area of Science:
- Ophthalmology
- Retinal diseases
- Ocular biomechanics
Background:
- Increased axial length is a known risk factor for retinal detachment.
- Understanding the relationship between eye length and specific retinal conditions is crucial for risk stratification.
Purpose of the Study:
- To investigate if the longer eye in individuals with unilateral disease is more prone to rhegmatogenous retinal detachment or tear.
- To determine the role of axial length asymmetry in the development of retinal conditions.
Main Methods:
- A cohort of 276 patients with PVD-related retinal detachment or tear underwent axial length measurement using partial coherence interferometry.
- Paired and two-sample t-tests were employed to compare axial lengths between affected and fellow eyes.
Main Results:
- No significant difference in axial length was found between eyes with retinal detachment/tear and their fellow eyes.
- Sub-group analyses and analyses of larger eyes also revealed no significant axial length asymmetry associated with the condition.
Conclusions:
- Within individuals, the longer eye is not more likely to present with retinal detachment or tear.
- Axial length is associated with, but not directly causative of, rhegmatogenous disease within individuals.
