Drugs that steal your sight
There are three main types of cataracts: nuclear (in the center), cortical (in the periphery, often linked to diabetes), and posterior subcapsular (at the back of the lens). The latter is particularly linked to the use of medications.
Here are the main classes of drugs identified as culprits:
- Corticosteroids: Whether in tablet form (Prednisone, Hydrocortisone), topical creams, or inhalers for asthma and COPD (Budesonide, Fluticasone). Prolonged steroid use is a major cause of posterior subcapsular cataracts.
- Antidepressants and psychotropic drugs: Commonly prescribed medications such as Sertraline (Zoloft), Fluoxetine (Prozac), Citalopram (Celexa) and Paroxetine (Paxil) are on the list of substances "probable" or "known" to induce cataracts.
- Heart medications: Amiodarone and certain statins for cholesterol.
- Cancer treatments: Tamoxifen and Methotrexate.
- Medications for gout: Allopurinol.
In addition, a specific surgical procedure, vitrectomy (often performed for retinal detachment), leads to the development of a cataract in nearly 70% of cases within a year of the operation.
The mechanism: Oxidative stress and a drop in glutathione
Why do these medications damage the eye? The common denominator is oxidative stress. The eye's lens needs powerful antioxidants to remain transparent. The medications mentioned above, along with environmental toxins, deplete the body's reserves of glutathione , its master antioxidant, and increase hydrogen peroxide levels in the eye.
When glutathione levels drop and oxidation increases, the proteins in the lens clump together, creating the characteristic opacity known as a cataract.
Natural solutions: Prevention and reversal
The good news is that science has also identified antidotes. Studies in humans and animals have shown that it is possible to stop and reverse lens clouding by restoring antioxidant levels. Here is the protocol based on the research presented by Dr. Ardis.
1. Vitamin C: The internal sunscreen
The aqueous humor (the fluid in front of the lens) normally contains 20 to 70 times more vitamin C than blood. It acts as a physiological sunscreen against UV rays and oxidation. However, small doses are not enough to increase vitamin C levels in the eye.
Studies show that a dose of at least 1000 mg per day is needed to see a significant increase in the eye, and it takes about 12 hours to reach the lens. This is the first line of defense.
2. Taurine: Glutathione restoration
Taurine is an essential amino acid for eye health. Studies on rabbits have shown that even when chemicals were used to artificially induce cataracts, the simultaneous administration of taurine completely prevented their formation. Taurine helps regenerate glutathione levels in the lens.
3. Vitamin D3: For posterior cataracts
Vitamin D deficiency is strongly associated with nuclear and posterior subcapsular cataracts. A remarkable study showed that in patients with early-onset cataracts, supplementation with 5,000 IU of vitamin D3 daily led to complete cataract resolution after two years.
4. N-Acetyl Cysteine (NAC)
NAC is a direct precursor of glutathione. Like taurine, it has demonstrated its ability to inhibit drug-induced cataracts by boosting the eye's natural antioxidant defenses.
5. Blueberry Extract and Vitamin E
A clinical study combining vitamin E and bilberry extract (Vaccinium myrtillus) showed astonishing results: the treatment stopped the progression of lens opacity in 97% of cases .
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