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Early onset of diabetes, hypertension tied to risk of early glaucoma

Written By : Dr. Kamal Kant Kohli Published On 2022-08-31T09:00:00+05:30  |  Updated On 31 Aug 2022 3:28 PM IST
Early onset of diabetes, hypertension tied to risk of early glaucoma
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Primary open-angle glaucoma (POAG) is a leading cause of irreversible blindness worldwide.

Researchers from UT Southwestern have reported in a new study that early onset of diabetes and hypertension was associated with early onset of glaucoma. The findings could lead to better screening protocols for POAG, which accounts for up to 90% of all cases of glaucoma.

The findings of the study have been published in Clinical Ophthalmology.

"Currently, we lack the tools to cure glaucoma, but with enough advanced notice, we can preserve patients' vision. Early detection of glaucoma is the key to better control of intraocular pressure and preventing blindness," said study leader Karanjit Kooner, M.D., Ph.D., M.B.A., Associate Professor of Ophthalmology at UTSW.

Tens of millions of people have POAG around the globe. Because this disease has few symptoms in its earliest stages, Dr. Kooner explained, patients are frequently diagnosed in its later stages when vision has already been permanently damaged. Although researchers have identified several risk factors for POAG – including Type 2 diabetes, hypertension, migraines, and obstructive sleep apnea-how they might influence the onset of POAG is not well understood.

To answer this question, Dr. Kooner and his colleagues collected data from the medical records of 389 POAG patients, all seen by Dr. Kooner between June 2019 and December 2019 at the UTSW Eye Clinic.Using statistical modeling, the researchers found no connection between migraines and/or obstructive sleep apnea and the age of POAG onset.

However, the researchers found that the age of Type 2 diabetes and/or hypertension diagnosis was significantly linked with the onset of POAG-the earlier patients presented with either or both of these conditions, the earlier they tended to develop POAG.

Dr. Kooner noted that both Type 2 diabetes and hypertension are diseases that affect blood vessels of both the optic nerve and retina, thus potentially causing changes that predispose patients to POAG, another condition with a vascular root.

If these connections hold up in future research, he said, Type 2 diabetes and hypertension could be added to the list of factors that can trigger POAG screening-including a family history of POAG, elevated intraocular pressure, and Black race-and lead to earlier diagnosis of POAG, preserving patients' vision and quality of life.

Other UTSW researchers who contributed to this study include Jeffrey Wooliscroft, Rubeel Akram, Hafsa Zuberi, Betty Tong, Jane Gu, and Aaron Hurd.

Reference:

1. Tham YC, Li X, Wong TY, Quigley HA, Aung T, Cheng CY. Global prevalence of glaucoma and projections of glaucoma burden through 2040: a systematic review and meta-analysis. Ophthalmology. 2014;121(11):2081–2090. doi:10.1016/j.ophtha.2014.05.013

2. Kolko M. Opsporing og forebyggelse af blindhed hos patienter med glaukom er en samfundsøkonomisk udfordring [Detection and prevention of blindness in patients with glaucoma is a socio-economical challenge]. Ugeskr Laeger. 2017;179(5)56. Danish.

3. Kingman S. Glaucoma is second leading cause of blindness globally. Bull World Health Organ. 2004;82(11):887-888.

4. Czudowska MA, Ramdas WD, Wolfs RC, et al. Incidence of glaucomatous visual field loss: a ten-year follow-up from the Rotterdam Study. Ophthalmology. 2010;117(9):1705-1712. doi:10.1016/j.ophtha.2010.01.034

5. Kwon YH, Fingert JH, Kuehn MH, Alward WL. Primary open-angle glaucoma. N Engl J Med. 2009;360(11):1113–1124. doi:10.1056/NEJMra0804630

6. Zhao D, Cho J, Kim MH, Friedman DS, Guallar E. Diabetes, fasting glucose, and the risk of glaucoma: a meta-analysis. Ophthalmology. 2015;122(1):72–78. doi:10.1016/j.ophtha.2014.07.051

Clinical OphthalmologydiabeteshypertensionglaucomaPOAGophthalmologists
Source : Clinical Ophthalmology
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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