Don't even think of trying dmso in concentrated form for cataracts! it burns. Dmso dehydrates the skin in seconds this is why straight dmso stings like crazy when applied to skin. Dmso must be diluted at least 50 percent before use. All dmso is 99.85% pure. The stuff from the feed store is just fine. Same purity. A better way to take the dmso might be to drink it or apply it topically to your skin. Dmso travels around going to where it is needed quite easily.
As for cataracts and eye health you are not getting enough antioxidants. The corneas have a blood filtering mechanism called the blood corneal barrier. It prevents impurities found in the blood from entering the eyes and clouding them. molecules of most antioxidants are too big to flow through the blood corneal barrier. On the other hand the eyes need nutrients and especially oxygen which are impaired by blood conditions like rouleaux. This is a fancy word for thick sticky blood cells all clumped together.
See darkfield microscopy / rouleaux /serrapeptase youtube.
The capillaries are so tiny that blood cells must pass single file. When blood cells are stuck together like glue they can not pass through the capillaries. Now think about that a minute. If your blood cells are all stuck together how can they oxygenate various parts of the body like the corneas? they cant pass through and deliver oxygen at a cellular level. Lacking adequate blood flow through the corneas means chronic low oxygen levels in the corneas. this brings on free radical damage then the corneas start clouding up with cellular debris. Reverse all that by changing your diet to lots of fresh raw vegetables full of antioxidants, lots of super oxide dismutase a free radical scavenger, n-acetyl cysteine and the most powerful antioxidant known for eye health astaxanthin. This stuff is very good for the eyes. I highly urge you to do it every day. Astaxanthin has a very small molecule size meaning it slips right through the blood corneal barrier with ease. Astaxanthin is 50 times more powerful than vitamin c for eye health. You are very deficent on vitamin c by the way!!! Now if you are a smoker then that is where 99.9 percent of your problem originates. Cigarette smoke causes the capillaries to constrict and even further limiting the amount of oxygen your corneas are receiving to practically nothing.
So what else unsticks blood cells and cleans the blood of unwanted debris? Serrapeptase. It scrubs blood cells and cleans out the trash found floating in the blood steam. This means having cleaner blood and better oxygen delivery. Sound like a good idea? See a naturopath if you can, your eyes are very important. To have health in one part of the body you must bring health to all parts of the body. Drink lots of carrot juice! see ya