PRIMARY OPEN ANGLE GLAUCOMA WITH OR WITHOUT MYOPIA glaucoma myopia Ultra-
Conditions
Interventions
Myopia with Primary open angle glaucoma,Emmetropia with Primary open angle glaucoma ,Myopia without any type of glaucoma,Emmetropia without any type of glaucoma
Myopia with POAG ,Emmetropia with POAG ,Myopia without glaucoma,Emmetropia without glaucoma
Sponsors
Ratchadapisaeksompoch(Grants for Development of New Faculty Staff)
Ratchadapisaeksompoch(Grants for Development of New Faculty Staff
Eligibility
Sex/Gender
All
Age
40 Years to No maximum
Inclusion criteria
Inclusion criteria: Target population are divided into 4 groups 1. Myopia with POAG 2. Emmetropia with POAG 3. Myopia without glaucoma 4. Emmetropia without glaucoma Inclusion Criteria for all groups Age > 40 years POAG group Inclusion criteria - IOP ≥ 21 mmHg - Open angle on gonioscopic examination - Characteristic signs of optic disc damage (glaucomatous optic neuropathy) - Glaucomatous visual field defects on perimetry Non-glaucoma group Inclusion criteria Patients with no evidence of - Enlargement of optic disc cup: cup-to-disc (C:D) ratio > 0.5 - Focal enlargement of cup disc cup - Loss of retinal nerve fiber layer defect - Asymmetrical of cupping between the patients' eyes (difference > 0.2) - IOP elevation ≥ 21 mmHg - No family history of glaucoma Myopia group Inclusion criteria - Patients who has refractive error (spherical equivalence) ≥ -4.00 D - Patients who has axial length ≥ 26 mm. Emmetropia group Inclusion criteria - Patients who has refractive error (spherical equivalence) between -0.50 and +0.50 D - Patients who has axial length < 26 mm.
Exclusion criteria
Exclusion criteria: Exclusion Criteria for all groups - Patients with history of any other ocular pathology (except for cataract, posterior vitreous detachment, dry eye without keratitis) - Patients with any corneal pathology - Patients with history of corneal surgery e.g. pterygium excision, refractive surgery - Patients with history of cataract surgery e.g. Phacoemulsification, Extracapsular cataract extraction (ECCE), Intracapsular cataract extraction (ICCE) - Pregnancy - Patients with underlying connective tissue disease - Patients who unable to give consent - Patients who unable to perform the test POAG group Exclusion criteria Other types of glaucoma included combined mechanism of glaucoma e.g. POAG with uveitis glaucoma Non-glaucoma group Exclusion criteria Patients who have no data or unable to assess optic disc
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The deformation amplitude day 0 air puff tonometry | — |
Secondary
| Measure | Time frame |
|---|---|
| Corneal biomechanical properties day 0 air puff tonometry | — |
Contacts
Public Contactrawiphan panpruk
King Chulalongkorn Memorial Hospital
Outcome results
None listed