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Macular thickness evaluation using the optical coherence tomography in normal Indian eyes
Hem K Tewari1, Vijay B Wagh, Parul Sony
1Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.
Indian Journal of Ophthalmology
|October 30, 2004
Summary
Optical Coherence Tomography (OCT) provides normative values for macular thickness in healthy Indian adults. Macular thickness and volume correlate significantly with age, aiding in disease management and research.
Area of Science:
- Ophthalmology
- Medical Imaging
Background:
- Macular thickness and volume are key indicators in various ocular diseases.
- Establishing normative data is crucial for accurate diagnosis and monitoring.
Purpose of the Study:
- To establish normative values for macular thickness and volume using Optical Coherence Tomography (OCT) in a healthy Indian population.
- To analyze correlations between OCT parameters and demographic/refractive variables.
Main Methods:
- A cross-sectional study involving 170 healthy Indian subjects.
- Macular imaging performed using OCT 3.
- Analysis of OCT parameters against age, gender, axial length, and refractive error.
Main Results:
- The average foveal thickness was 149.16 ± 21.15 micrometers.
- Significant positive correlation found between macular thickness/volume and age (r=0.23, P<0.01).
- No significant correlation observed with gender, axial length, or refractive error.
Conclusions:
- Macular thickness and volume show a significant correlation with age in the Indian population.
- This normative OCT database serves as a valuable reference for managing macular diseases and glaucoma.
- Further research can utilize this data for comparative studies.