Onions are common kitchen ingredients known for their distinctive flavor and natural plant compounds. Red onions, in particular, contain antioxidants such as quercetin and anthocyanins, which have been studied for their potential health benefits. However, social media claims that drinking onion water for five days can completely cure blurry vision or make the eyes 20 years younger are not supported by scientific evidence.
Understanding what onions can actually do, how to prepare them safely, and which treatments are appropriate for vision problems can help you protect your eyesight.
Why Are Onions Considered Beneficial for Health?
Red onions contain several naturally occurring compounds, including flavonoids and sulfur-containing substances. These compounds contribute to the onion’s flavor and have been investigated for their antioxidant and other biological properties.
Antioxidants help protect cells against oxidative damage. Although this is important for general health, it does not mean that eating onions can reverse eye diseases or restore lost vision.
Onions can be part of a balanced diet, but they should not be considered a substitute for eye examinations or appropriate medical treatment.
Ingredients for a Simple Red Onion Drink
If you want to prepare onion-infused water as a food or beverage, you can use the following ingredients:
- ΒΌ of a small red onion
- 1 glass of clean drinking water
- A few drops of lemon juice, if desired
Important: This is a culinary beverage, not a proven treatment for blurry vision, cataracts, or other eye conditions.
Step 1: Wash the Onion
Choose a fresh red onion and remove its dry outer skin. Rinse the onion under clean running water before cutting it.
Use a clean knife and cutting board to maintain good food hygiene.
Step 2: Cut the Onion Into Small Pieces
Cut approximately one-quarter of the onion into small pieces.
Smaller pieces release more of the onion’s flavor into the water. However, cutting an onion into smaller pieces does not make it an effective treatment for eye disease.
Step 3: Add the Onion to Drinking Water
Place the onion pieces in a clean glass and add approximately 250 milliliters of drinking water.
If you prefer, you can leave the mixture covered in the refrigerator for a short time to allow the flavor to develop.
There is no established preparation method or dosage of onion water proven to improve eyesight.
Step 4: Remove the Onion Pieces
Strain the mixture if you prefer to drink the infused water without the onion pieces.
You can consume it as an ordinary food beverage if onions agree with your digestive system. Some people experience heartburn, gas, or abdominal discomfort after consuming raw onions.
Do not put onion water, onion juice, or pieces of onion directly into your eyes. These substances can irritate the delicate surface of the eye and potentially cause injury.
Step 5: Support Your Eyes With Proper Nutrition
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