Measurment of Optic Disc Parameters, RNFL Thickness and Ganglion Cell Complex in Myopic, Hypermetropic and Emmetropic Patients Using OCT and Axial Length Measurments
NCT07241806 · Status: NOT_YET_RECRUITING · Type: OBSERVATIONAL · Enrollment: 266
Last updated 2025-11-21
Summary
To evaluate the optic disc parameters, thickness of ganglion cell complex (GCC), and thickness of peripapillary retinal nerve fiber layer (RNFL) in myopic and hyperopic and emmetrop patients using optical coherence tomography (OCT), and to correlate these changes with axial length and degree of refractive error.
Conditions
- Refractive Errors
Interventions
- DEVICE
-
OCT
Axial length measurement (using A-scan) Spectral-domain OCT: All the patients will undergo OCT imaging using NIDEK RS-330 Retina scan duo 2 (SD-OCT)(CO-LTD made in Japan 2017) with scan speed 70.000 axial scans per second and wavelength of 880 nm for: Peripapillary RNFL thickness in all quadrants GCC thickness (average, superior, inferior,nasal,temporal) Optic disc parameters (disc area, cup/disc ratio, rim area)
Sponsors & Collaborators
-
Assiut University
lead OTHER
Eligibility
- Min Age
- 18 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2026-01-31
- Primary Completion
- 2027-11-30
- Completion
- 2027-12-31
More Related Trials
-
The Relationship Between Macular OCTA and GCIPL and Their Combinational Index Using AI
NCT03369886 ·Status: UNKNOWN ·Phase: NA
-
Retinal Clinical Assessment With AI-derived Quantitative Information
NCT07291960 ·Status: NOT_YET_RECRUITING
-
Relation Between Macular and RNFL Thickness Measurement and Quality Grading in OCT
NCT02700750 ·Status: UNKNOWN ·Phase: NA
-
Efficacy of Retinal Nerve Fiber Layer (RNFL) / Retinal Thickness Ratio by Cirrus OCT Utilizing Spectral -Domain Technology as a Diagnostic Predictor of Glaucoma
NCT00772993 ·Status: UNKNOWN
-
Assessment Of Peri-papillary Retinal Nerve Fiber Layer Thickness In Patients With Unilateral Branch Retinal Vein Occlusion
NCT06146309 ·Status: COMPLETED ·Phase: NA
-
Visual and Functional Assessment in Low Vision Patients
NCT01876147 ·Status: COMPLETED
-
Retinal Nerve Fiber Layer Thickness Measurements in Patients With Sleep Apnea Syndrome
NCT01188291 ·Status: COMPLETED
-
Study to Assess OCT: RNFL and GCL in MS Patients
NCT03313843 ·Status: COMPLETED
-
Correlation Between OCT and mFERG Findings With VA After Vitrectomy Surgery for Retinal Detachment
NCT05993208 ·Status: COMPLETED
-
Distinguishing Healthy and Keratoconic Eyes Using Ultrahigh-Resolution OCT
NCT03184610 ·Status: COMPLETED
-
High-throughput Large-model-based AI-assisted Diagnosis Using OCT
NCT07249307 ·Status: NOT_YET_RECRUITING
-
Multi-modal Intelligent Diagnosis System for Multiple Ophthalmic Diseases
NCT07143851 ·Status: NOT_YET_RECRUITING
-
Retinal Imaging Using NOTAL-OCT
NCT03374020 ·Status: COMPLETED
-
Retinal Thickness Analysis Using Optical Coherence Tomography
NCT00797134 ·Status: COMPLETED
-
The Correlation Between Pupil Size and Retinal Nerve Fibers Changes in Pseudoexfoliation Syndrome.
NCT06588816 ·Status: NOT_YET_RECRUITING
-
Evaluation of OCT Measurements
NCT01806402 ·Status: COMPLETED
-
Comparison of Optic Nerve Head and Retinal Nerve Fiber Layer Parameters Derived From Two Different Methods of Scan Alignment
NCT02666144 ·Status: COMPLETED
-
Retinal Nerve Fiber Layer Thickness Measurement on Parapapillary Atrophy With the Cirrus High-Definition (HD) Optical Coherence Tomography (OCT)
NCT00742196 ·Status: UNKNOWN
-
Comparison of Retinal Nerve Fiber Layer (RNFL) Thickness Measurements by Time-Domain and Spectral-Domain OCT In Glaucoma Patients
NCT00773877 ·Status: UNKNOWN
-
Epiretinal Membrane in Patients With DR.
NCT07241845 ·Status: NOT_YET_RECRUITING
-
Ultrasonographic Measurement of the Optic Nerve Sheath Diameter in the Taiwanese Healthy Volunteers
NCT04600570 ·Status: RECRUITING
-
Optical Coherence Tomography Findings in Migraine
NCT05332431 ·Status: UNKNOWN
-
Optical Coherence Tomography Angiography Characteristics of Radiation Optic Neuropathy
NCT05895851 ·Status: COMPLETED
-
Feasibility Study and Preliminary Application Study on Iris OCTA
NCT03631108 ·Status: UNKNOWN
-
OCTA Changes in Choroidal Neovascularization in High Myopia
NCT06357559 ·Status: NOT_YET_RECRUITING