Taba ea pele, likhalase tsa letsatsi tsa PRAD* li entsoe ka thepa ea boleng bo holimo Ka bobeli litaele tsa khale le tsa sejoale-joale li totobatsa haholo ho sebetsana le lintlha le ho phehella bokhabane ba ho qetela. Ho tloha ka lilense tse sebelisoang ho ea ho foreime, karolo e 'ngoe le e 'ngoe e khethiloe le ho hlahlojoa ka thata.
Taba ea bobeli, re lula re ntlafatsa moralo, re fana ka likhetho tse fapaneng tsa bonono, tse ikhethang le tse matla, 'me ka bohlale re sebelisa mela le mebala ho etsa hore sehlahisoa sohle se hlahelle le ho hapa mahlo.
Ho feta moo, likhalase tsa letsatsi tsa PRAD* li na le likarolo tsa theknoloji tse sa fihlelleng litlhoko tsa pono feela empa hape li sireletsa ka katleho khahlanong le mahlaseli a ultraviolet A hlomelloa ka UV400 anti ultraviolet filter, e na le ts'ebetso e ntle haholo ea ho bonesa ebile e sireletsa bophelo bo botle ba mahlo a motho ea e roetseng.
Ka bokhutšoanyane, likhalase tsa letsatsi tsa PRAD * li 'nile tsa khomarela mohopolo oa moralo oa "bonolo ho e-na le ho ba bonolo",' me o kopantsoe le boqapi ba boemo bo holimo ho theha e 'ngoe ea lihlahisoa tse tummeng ka ho fetisisa tsa maemo a holimo tse ratoang ke basali. Ebang ke limmarakeng tsa Europe, Amerika kapa Asia, e na le palo e kholo ea balateli ba tšepahalang 'me e fetohile e' ngoe ea lihlahisoa tsa bohlokoa tse phahameng bakeng sa basali ba feshene.