The correct spark plug and gap is crucial to proper ignition. Spark discharge is a breakdown in the air insulator between the electrode and ground. Yes - air is an insulator, a pretty good one at that. As voltage builds at the electrode, atoms in the air within the air gap gain electrons. This process is called ionization.
It's one of the reasons why our standard lenses are polycarbonate (thinner than standard lenses typically sold by other eyeglasses retailers). At Warby Parker, you can upgrade to high index lenses for an additional $30 whereas it typically costs $60 to $100 more.
Damage to your eyes can take a long time to heal and your eyes are really important. Spending another $10 on name brand is very much worth the money. If you want to know the price of contact lenses at Walmart, you can get a box of contact lenses for about $25 on average. One box usually contains 6 pairs of contact lenses and you have to buy 2 boxes â one for your right eye and one for your left eye. So for about $50 or so, you can be set for 6 months.