Hydrogen Therapy Protects Eyes from Diabetes Damage in Rat Study
Hydrogen-Rich Saline Prevents Early Neurovascular Dysfunction Resulting from Inhibition of Oxidative Stress in STZ-Diabetic Rats
Research hubs: Oxidative Stress · Eyes & Vision System · Endocrine System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Yanqing Feng, Ruobing Wang, Jiajun Xu, Jingchuan Sun, Tao Xu, Qing Gu, Xingwei Wu
- Journal
- Current Eye Research
- Year
- 2013
- PMID
- 23252792
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- 5 ml/kg hydrogen-saturated saline injected intraperitoneally daily for one month
- Duration
- 30 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 37 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline may help treat diabetic eye damage by reducing stress and preserving nerve function in rats.
Key Finding
Hydrogen-rich saline prevented vision loss and blood vessel damage in diabetic rats by reducing oxidative stress and boosting the retina's natural antioxidant defenses.
Summary
This study tested whether hydrogen-rich saline (salt water infused with hydrogen gas) could protect the eyes of rats with diabetes-induced damage. Researchers found that rats treated with hydrogen-rich saline showed improved vision function, better blood vessel integrity in the retina (the light-sensitive tissue at the back of the eye), reduced markers of cellular damage from oxidative stress (a harmful chemical process), and higher levels of protective antioxidant enzymes compared to untreated diabetic rats.
Practical Takeaway
This is an early-stage animal study showing hydrogen-rich saline may help protect against diabetic eye damage through antioxidant mechanisms. However, because this research was conducted only in rats and not in humans, it's too early to draw conclusions about whether hydrogen water would have similar protective effects in people with diabetes. Human clinical trials would be needed to determine safety and effectiveness.
Abstract (excerpt)
Purpose: Diabetic retinopathy (DR) is characterized by increased oxidative and nitrosative stress, both of which lead to neurotoxicity and vascular permeability. Previous studies on a variety of organs indicate that hydrogen-rich saline not only has considerable antioxidant and anti-inflammatory…