RT Book, Section
A1 Lim, Henry W.
A2 Goldsmith, Lowell A.
A2 Katz, Stephen I.
A2 Gilchrest, Barbara A.
A2 Paller, Amy S.
A2 Leffell, David J.
A2 Wolff, Klaus
SR Print(0)
ID 56098285
T1 Chapter 223. Photoprotection
T2 Fitzpatrick's Dermatology in General Medicine, 8e
YR 2012
FD 2012
PB The McGraw-Hill Companies
PP New York, NY
SN 978-0-07-166904-7
LK accessmedicine.mhmedical.com/content.aspx?aid=56098285
RD 2024/04/23
AB |PrintPhotoprotection  at  a  GlancePhotoprotection  measures  include  seeking  shade  during  the  peak  ultraviolet  (UV)  B  hours  of  10:00  am  to  2:00  pm  and  the  use  of  high  sun  protection  factor  broad-spectrum  sunscreen,  clothing,  wide-brimmed  hat,  and  sunglasses.New  generation  photostable  UV  filters  are  now  available  in  Europe  and  many  parts  of  the  world  and  are  beginning  to  enter  the  US  market.UV  protection  factor  is  a  UV  protection  rating  for  fabrics.  Several  chemical  treatments  can  increase  the  natural  UV  protection  factor.Glass  that  filters  out  more  than  99.9%  of  UV  from  300–380  nm  is  now  commercially  available.Sunglass  standards,  mandatory  in  Australia  and  voluntary  in  the  United  States,  specify  a  maximum  percentage  of  light  allowed  to  be  transmitted  and  a  minimum  vertical  dimension  of  sunglasses.