It is funny, how a 1/4 inch can weigh so heavily upon one's mind. I know the frustration (but for sleeve length); and the satisfaction when all the pieces line up. Tip of the hat to perseverance! Apparently, a trip to the eye doctor is in my future.
Perhaps they'll give you a discount, as a professional courtesy
Back to the price of bread, It's not .25 of an inch that'll screw it it's .75!