Just to dirty the waters a little more. I've been welding for over 50 years and here are some things I've learned the hard way. The type of lens in a helmet can make a huge difference. I take it your using Flux core wire with that welder. One helmet I had worked great for stick welding but I absolutely could not see to weld flux core with it. Switched to a helmet with a different lens and presto I could see again. The color and glare of the arc from flux core was not compatible with the first helmet. So before you get too frustrated try a different helmet even if it's not an auto helmet. Keep your lenses clean.
As your just learning try spacing your practice pieces just a little farther apart until it becomes natural to follow the seam. Try to concentrate on the leading edge of the puddle. Hold your gun so that neither the gun nor the wire blocks your view. It is much easier to move the gun before welding then your head after the arc has started. You will get to the point where your eyes won't be distracted by the starting arc and will automatically remain where they need to be. This is a trait that takes time to develop.
Make sure that your metal is free of paint, oil, galvanizing, or other contaminants. These tend to change the appearance of the arc and can make it harder to see. With your welder I would stick with 1/8 to 3/16 metals until you become more proficient. If I remember correctly an Amperage setting C with a wire speed in the 35 to 40 range should work with that welder running .030 flux core. If your running a gas shield the settings will be different.
If your wearing bi-focal glasses I would invest in a cheap pair of glasses prescribed for the focal length that matches your normal welding distance. With bi-focals trying to get your head adjusted so you can see after the arc has been established can be a major distraction for someone just learning. If you can't see you can't weld.
Good luck and let us know how your progressing.
Edited by Cvans, March 09, 2015 - 01:01 AM.