Well, I can see that you care a lot about your eye health and vision. So, as a matter of fact, it is true that a lack of iron would give rise to a lot of problems with our health, including our eye health. Because as you can see, good eye health consists of a lot of vitamins and minerals, including iron, zinc, etc. Without proper iron, our eyes tend to grow blue, that is bad!, and our vision could be decreased, even sour eyes. Anyway, try to protect your eyes and pay attention to your diet.
Yes, it is quite possible to cause sore eyes because of iron deficiency. If you are deficient of iron, it will cause fatigue. So your eyes will be easy to get tired. So you can get sore eyes easily. What' more, iron deficiency can cause pale skin of face or hands, pale or bluish fingernails and pale inner eyelids etc. You can take some food rich in iron and it can help.
Yes, it is possible for you to get the sore eyes because of iron deficiency. When you lack the iron in the inner body, you may get the anemia which will cause your immune system go weak. The eyes will be dry because of the weak immune system. Iron is the component of hemoglobin which is in the oxygen transportation and storage. As the iron storage, it can not meet the needs of normal red blood cell formation. Then it will cause anemia which is called iron deficiency anemia. If you lack iron for about 3-5 months, you will get this disease. However, the dark under circles could be caused by the iron deficiency. If you lack the iron in your body, you will have many symptoms for your body. You may feel weak at the body, have not sound sleep and sore eyes. You could eat the pluck, meat, eggs and so on to increase the iron in your body. You should use the eye drops to release your sore eyes.