If you want install myopia lens, we have these degree lens for choosing: 150,200,250,300,350,400,450,500,550,600,650,700,750,800
Note: Water has amplification effect. please choose lens less 50 or 100 degrees than land.
If you choose myopia mask, please leave a message for "Myopia Degree" you want . before shipping we will replace the lens for you,
and we won't send the plain lens for you.