Blurred vision may stem from a number of eye conditions. You may have changes that come and go, relieved with a few quick blinks. Other causes of blurry vision may not have such an easy resolution. You may need a change in an eyeglass prescription, but certain eye conditions may also affect your vision. Some nutrients may have a role in vision, but in the case of vitamin D-2, this nutrient does not have any known connection to vision changes.
Vitamin D2
Vitamin D-2, also known as ergocalciferol, is one type of vitamin D your body requires to function properly. Your body does not make D-2, and the only products that naturally contain vitamin D-2 are plants exposed to ultraviolet rays. However, many fortified foods such as milk and cereals contain this form of the D vitamin, but your doctor may recommend a supplement to ensure that you have the appropriate intake each day.
Effects
This nutrient does not have any known affect on your vision, but, despite the lack of benefits for your vision, vitamin D may help treat or prevent conditions such as osteoporosis, high blood pressure and certain types of cancer.
Examination
If you notice that you have vision changes, contact to your doctor. Your doctor will test your vision and check to see if a change in your eyewear prescription improves your vision. She will also examine the front surface of your eye to make sure you do not have an infection or other surface-related condition that may affect your visual acuity. In most cases of vision changes, your doctor will dilate your pupils to check the internal structures and the back lining of your eye for conditions that could result in blurry vision.
Considerations
Do not take supplements without first consulting your doctor since high doses of nutrients could react with medications or health conditions you may have. Your doctor can inform you of the appropriate dosage. If you experience vision changes, you should not use supplements as a way to treat your condition unless directed by your doctor.
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