Contact Lenses Bausch & Lomb Biotrue Oneday 30. Soflens 38 (6contact lenses)Monthly contacts Soflens 38 feature 38% of water content, which is why they are perfect for dry eyes, since they prevent irritations caused by dry atmospheres from spaces provided with air conditioning, as well as discomfort caused by computer screen. Monthly contact lenses Soflens 38 are ultra thin but easy to handle, since they are slightly tinted and can be easily spotted in the storage case.