Hydrogen Saline Protects Eyes from Diabetic Damage in Rat Study
Protective Effects of Hydrogen Saline on Diabetic Retinopathy in a Streptozotocin-Induced Diabetic Rat Model
Research hubs: Type 2 Diabetes · 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
- Xiang Xiao, Jiping Cai, Jiajun Xu, Ruobing Wang, Jianmei Cai, Yun Liu, Weigang Xu, Xuejun Sun, Runping Li
- Journal
- Journal of Ocular Pharmacology and Therapeutics
- Year
- 2012
- PMID
- 21790325
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- 5 mL/kg hydrogen saturated saline intraperitoneally injected daily for 4 weeks
- Duration
- 4 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 17 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
A special saline solution with added hydrogen gas may help prevent eye damage in diabetic rats.
Key Finding
Hydrogen saline treatment reduced cell death, blood vessel leakage, and tissue thickening in the retinas of diabetic rats, suggesting a protective effect against diabetic retinopathy.
Summary
Researchers tested whether hydrogen-enriched saline could protect rat eyes from damage caused by diabetes. Diabetic rats that received hydrogen saline injections for 4 weeks showed less cell death in their retinas (the light-sensitive tissue at the back of the eye), less leakage from blood vessels, and less thickening of retinal tissue compared to diabetic rats that didn't receive the treatment. These results suggest hydrogen saline might help prevent diabetic retinopathy, a condition that damages vision in people with diabetes.
Practical Takeaway
This is an early-stage animal study showing hydrogen saline may help protect against diabetic eye damage. However, the findings are from rats only and have not been tested in humans, so it's too soon to draw conclusions about whether hydrogen water or saline would help people with diabetes. Human clinical trials would be needed to determine if these protective effects translate to patients.
Abstract (excerpt)
Abstract Purpose: Diabetic retinopathy is the leading cause of blindness in the working population of the developed countries and also a significant cause of blindness in the elderly. This study aimed at examining the protective effect of H 2 saline on diabetic retinopathy…