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Updated: Jun 2, 2026
07:11
Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
Hearing Evaluation in Patients with Exfoliative and Primary Open-Angle Glaucoma.
Vassiliki P Paliobei1, Georgios K Psillas, Dimitrios G Mikropoulos
11st Academic ENT Department, AHEPA Hospital, Thessaloniki, Greece. vanasoc@hotmail.com
Summary
Exfoliative glaucoma patients exhibit a significantly higher prevalence of retrocochlear auditory pathway abnormalities compared to primary open-angle glaucoma patients. This audiological evaluation highlights distinct auditory pathway involvement in exfoliative glaucoma.
Area of Science:
- Ophthalmology and Audiology
- Neuroscience
- Genetics
Background:
- Glaucoma, a leading cause of irreversible blindness, encompasses various subtypes, including primary open-angle glaucoma (POAG) and exfoliative glaucoma (XFG).
- While ocular manifestations of glaucoma are well-studied, the potential impact on the auditory system, particularly the retrocochlear pathway, remains less understood.
- Exfoliation syndrome, a common risk factor for XFG, involves the deposition of fibrillar material throughout the anterior segment, raising questions about systemic implications.
Purpose of the Study:
- To conduct a comprehensive audiological evaluation comparing the peripheral and central auditory pathways in patients with XFG versus POAG.
- To investigate the prevalence of retrocochlear auditory pathway dysfunction in XFG patients.
Main Methods:
- A prospective study involving consecutive patients aged 50-70 years diagnosed with either XFG or POAG.
- Auditory thresholds were measured bilaterally, and cochlear function was assessed using distortion product otoacoustic emissions (DPOEs).
- Auditory brainstem responses (ABRs) were employed to evaluate functional changes in the retrocochlear auditory pathway, focusing on central transmission times and wave latencies.
Main Results:
- The study included 110 XFG patients and 85 POAG patients.
- Patients with XFG demonstrated a significantly higher likelihood (4.34 times) of exhibiting pathological ABR central transmission times compared to POAG patients (P < .001).
- This association remained statistically significant after adjusting for age, sex, and common systemic diseases.
Conclusions:
- This research provides the first comparative audiological evaluation of peripheral and central auditory pathways in XFG and POAG.
- XFG patients present a greater prevalence of retrocochlear pathology, suggesting a potential link between exfoliation syndrome and auditory nerve dysfunction.
- Further research is warranted to elucidate the mechanisms underlying this association and its clinical implications.
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