The methane clouds of Uranus are found low in the atmosphere. The methane clouds are the only clouds to be found on Uranus, but there are hazes of smog high in the atmosphere. The diagram shows that the...more
PDL Laser. Pulsed dye laser (PDL) is a laser often used to treat conditions or spots on the skin that are vascular in nature. PDL is commonly used to treat redness and telangectasias (broken blood vessels) associated with rosacea.PDL is also used to treat telangectasias resulting from chronic sun damage, or hereditary causes.DL Laser. Pulsed dye laser (PDL) is a laser often used to treat conditions or spots on the skin that are vascular in nature. PDL is commonly used to treat redness and telangectasias (broken blood vessels) associated with rosacea.
Photodynamic therapy (PDT) PDT can be used to treat actinic keratoses. But its exact role in treating basal and squamous cell skin cancers, if any, still needs to be determined. This treatment uses a special liquid drug that is applied to the skin.