Effect of Axial Length on Peripapillary Retinal Nerve Fibre Layer (RNFL) Using Optical Coherence Tomography (OCT)
Effect of Axial Length on Peripapillary Retinal Nerve Fibre Layer (RNFL) Using Optical Coherence Tomography (OCT)
the goal of this obsrevational study is to learn about retinal nerve fibres and if their numbers changed with axial length of the globe or not. the main question to answer is there is effect of long axial length on the thickness of the retinal nerve fibers participants will be asked to:
Aim of the work:
To investigate the effect of axial length on the peripapillary retinal nerve fiber layer.
Patients and methods Study design: Cross sectional comparative study. Location: Ophthalmology department, Sohag teaching hospital. Ethical approval: A written informed consent will be taken from all patients about the aim of the study, the nature of the planned investigation. An approval of the ethical committee of Sohag Faculty of Medicine will be fulfilled.
Methodology The study will include 80 patients healthy volunteers who underwent ophthalmologic examinations including retinal nerve fiber layer (RNFL) thickness analysis with optical coherence tomography (OCT), auto refraction, and axial length measurement.
Inclusion criteria:
Healthy volunteers attending the outpatient clinic for surface ocular diseases.
Exclusion criteria:
Method of the study:
The patients will be divided into 3 groups:
Group 1 patients with axial length less than 21 mm. Group 2 patients with axial length 21-24 mm. Group 3 patients with axial length more than 24 mm.
Inclusion Criteria:
Exclusion Criteria:
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