Monthly disposal contact lens Adopt special-arc (bevel) design. Wearing a long time, corneal has no problem without lack of oxygen problem with lack of oxygen and steep-arc change issues. Material: hema Colorú¦blue tinted Water content: 38%, 42%, 45% Diameterú¦14.2mm Base curveú¦8.6mm Center thickness: 0.06mm Power: 1.00~6.00 0.25 step 6.00~10.00 0.50 step