Cataract’s meaning in Hindi is ‘motiyabind’. It is one of the leading causes of vision impairment, both globally and in India. This is generally considered an age-related eye condition. People above the age of 40 are generally at a higher risk of developing cataracts. However, people of any age can develop this eye condition due to certain medical factors. Even children and infants can develop this condition. Thankfully, it is treatable. States like Bihar need more awareness about the condition so that they go for regular eye checkups and seek timely cataract treatment.
Let us explore the main causes of cataract, key cataract risk factors, and how everyday habits can contribute to this common eye problem.
What Happens in Cataract?
Your eye has a natural transparent lens that allows light to pass and focuses it on the retina. The proteins present in the lens play a crucial role in this. However, as people age, the protein structure of the natural lens starts breaking down. Over time, these proteins clump together and make the lens opaque. As a result, light can no longer pass through it properly. This causes distorted vision. While the initial stages do not impact life much, later stages can make you almost blind.
Additionally, cataracts do not develop overnight. The process is slow. It can take years for a cataract to mature. However, vision problems are often noticeable long before that.
In some cases, the development of cataract can be very fast. Certain internal and external factors can speed up the process.
Main Causes of Cataract (Motiyabind Causes Explained)
- Ageing – The Primary Reason
As mentioned earlier, age-related cataracts are the most common type of cataract. They develop because the eye protein structure starts breaking down naturally after a person reaches the age of 40. This process is slow and can take years before the person realises any real issue. There is no way to prevent it. You can try leading a healthy lifestyle to reduce the risk.
- Excessive Sunlight Exposure
Farmers, labourers, vendors, and others who spend long hours outdoors are at a higher risk of developing cataracts. This is because the UV rays from the sun are harmful to your eyes. When your eyes are exposed to them for a long time, the protein structure breakdown happens early. That is why cataracts develop when you work in the sun for long.
A simple and effective way to reduce the damage to your eyes is by wearing sunglasses or hats. They can significantly reduce UV exposure.
- Diabetes and Poor Blood Sugar Control
People with diabetes are more likely to develop cataracts at a younger age. This happens because high blood sugar alters the lens structure. Therefore, the proteins break down much faster and make the lens cloudy at an early age. This is why people with diabetes are recommended to go for regular eye checkups. Given how common diabetes is in India, people should take this issue seriously.
- Smoking and Tobacco Use
Smoking has several bad effects on health. It can increase the chances of developing cataracts as well. Tobacco increases oxidative stress inside the eye. This damages the lens tissues. But it is not just smoking. Any use of tobacco products can indirectly affect your overall eye health. People who use tobacco products for a long period of time are at a higher risk of developing cataracts.
- Long-Term Use of Steroid Medicines
Corticosteroids are commonly used in India, especially in Bihar. It is taken in different forms like tablets, inhalers, and eye drops. While they provide immediate relief from certain symptoms, long-term use can seriously impact your eye health. Problems arise when people self-medicate for joint pain or asthma without medical supervision.
- Eye Injury or Previous Eye Surgery
Any trauma to the eye, including accidents or earlier surgeries, may lead to cataract formation later in life. These are called traumatic or secondary cataracts.
- Poor Nutrition
A diet lacking antioxidants such as vitamins C and E contributes to lens ageing. In rural parts of Bihar, limited access to balanced diets means many people do not receive adequate nutrients needed for long-term eye health.
- Genetic Factors
Sometimes cataract runs in families. Certain individuals are genetically predisposed to developing lens opacity earlier, even without strong external risk factors.
Other Cataract Risk Factors to Know
Beyond the main reasons of cataract, several lifestyle and health conditions can increase susceptibility:
- High blood pressure
- Obesity
- Excessive alcohol consumption
- Prolonged screen exposure without breaks
- Environmental pollution and dust
- Lack of regular eye examinations
Each of these adds cumulative stress on the eyes over time.
Cataract Lens Replacement and Modern Options
Once cataract develops, surgery is the only effective treatment. During the procedure, the cloudy natural lens is replaced with an artificial intraocular lens (IOL).
Today, various cataract lens brands and types are available, including:
- Monofocal lenses (for single-distance vision)
- Multifocal lenses (for near and distance vision)
- Toric lenses (for astigmatism correction)
Lens choice depends on lifestyle, visual needs, and budget. Patients in Bihar increasingly have access to these advanced lens options, making post-surgery vision outcomes far better than in the past.
Can Cataract Be Prevented?
While age-related cataract cannot be completely avoided, its progression can often be delayed:
- Protect eyes from sunlight
- Maintain healthy blood sugar levels
- Avoid smoking and tobacco
- Eat fruits and green vegetables regularly
- Use medicines only under medical advice
- Get routine eye check-ups, especially after 40
Early detection makes management easier and prevents complications.
Understanding the causes of cataract is the first step towards protecting your vision. Whether it’s ageing, diabetes, sunlight exposure, or lifestyle habits, most motiyabind causes develop slowly and silently.
For people across Bihar, awareness, timely eye examinations, and healthier daily choices can go a long way in reducing avoidable vision loss. Cataract may be common — but with modern treatment and informed care, it doesn’t have to limit your life.

