Researchers have found a possible link between a common blood pressure medicine called Calcium Channel Blockers, or CCBs, and a higher risk of developing glaucoma. This new discovery comes from a study led by Dr. Alan Kastner at Moorfields Eye Hospital and University College London.
The research team studied the health records of more than 427,000 people in the United Kingdom. Among them, about 33,000 were taking CCBs to manage their blood pressure.
When the researchers looked at the data carefully, considering factors like age, lifestyle, and other health conditions, they noticed something important: people taking CCBs were more likely to develop glaucoma than those who were not taking these medications.
What made this finding even more surprising was that the increased risk did not show up with other types of blood pressure medicines. It seemed to be specific to CCBs. Also, the risk appeared even in people who had normal pressure inside their eyes. This challenges the traditional belief that glaucoma mainly happens because of high eye pressure.
Glaucoma is a serious disease that can damage the optic nerve, the part of the eye that sends signals to the brain. Over time, glaucoma can lead to vision loss or even blindness, often without any warning signs early on.
Because CCBs are commonly prescribed for high blood pressure, this potential link is especially important for many patients and their doctors to consider.
The study suggests that CCBs might affect the eyes in a way that is different from what we normally expect. Instead of raising eye pressure, they might be harming the optic nerve through another unknown process.
However, it’s important to remember that this study only shows a connection. It does not prove that CCBs directly cause glaucoma. More research is needed to find out exactly how these medicines might be involved.
For now, the researchers are encouraging people who take CCBs to make sure they get regular eye check-ups. Catching glaucoma early is very important because early treatment can slow down or prevent vision loss. People taking these medications should talk to their doctors and eye specialists about their individual risk.
It is also important to know that some researchers involved in the study have financial ties to pharmaceutical companies. This does not mean the study’s results are wrong, but it is something to keep in mind when thinking about the findings.
The study, published in the journal JAMA Ophthalmology, brings important new information to light. It reminds us that even medications that help with one health problem can sometimes have unexpected effects elsewhere in the body. Talking openly with healthcare providers about the risks and benefits of all medicines is essential.
In the end, this discovery highlights the need for more awareness about eye health, especially for people managing their blood pressure with CCBs. Regular medical and eye exams are key to catching problems early and protecting our vision for the future.
If you care about eye health, please read studies about how vitamin B may help fight vision loss, and MIND diet may reduce risk of vision loss disease.
For more information about eye disease, please see recent studies about how to protect your eyes from glaucoma, and results showing this eye surgery may reduce dementia risk.
Copyright © 2025 Knowridge Science Report. All rights reserved.
