To use the diaphragm, first cover the inside of it with spermicide. Then insert it into your vagina so that it covers your cervix. You can insert the diaphragm up to 6 hours before sex.
This is where the Kratky method shines. Itâs a technique that allows you to grow hydroponically without electricity, pumps, or wicks of any kind. In fact, you donât even have to change your reservoir or add nutrients. Itâs as close to a completely âhands offâ growing technique as Iâve ever seen.
Guide. Radial keratotomy (RK) involves making tiny cuts in the cornea, which flatten it and reduce nearsightedness. In people who have both astigmatism and nearsightedness, the surgeon may make additional cuts to flatten the misshapen part of the cornea that is causing the astigmatism.hy It Is Done. Radial keratotomy is an elective procedure that is done to correct nearsightedness in otherwise healthy eyes. Because laser surgeries have become more common than surgeries that involve cutting (incisions), RK is not done very often.