Izibuko Zemibukiso: Ingabe Umbala Wembala?

Amacebo Wokukhetha Amaphuzu Wezibuko

Awukwazi ukwahlulela i-pair of izibuko ngombala wawo, okungenani hhayi ngezinhloso zokuvikela amehlo. Ama-shades nezibuko zezibuko azibonakali ikhono lokuvimbela i- UV (ultraviolet) . Uma izibuko zelanga zenziwe, ama-lens aphathwa ngamakhemikhali e-UV ukuze abambe ukukhanya kwe-UV. Ngenxa yokuthi lezi zimakhemikhali ngokuvamile azibalabala, ama-lens ahlanzekile angavimbela ukukhanya kanye nama-lens amnyama.

Ngakho kungani imibala eminingi ye-lens?

Ibonisa ukukhanya kokuhlunga ngezindlela ezahlukene, futhi amanye amathrekhi enza umsebenzi ongcono wokuvimbela ukukhanya kunabanye. Amanye amaphuzu empeleni akhulisa imibala, kanti abanye bayaphambukisa. Amaphuzu anekhono lokuthuthukisa umbono ezimweni ezithile. Nakuba ungase ubabaze umbala othile wokugcoba, kungase kungabi yindlela engcono kakhulu yokuphila kwakho. Ukulandela kuyisiqondiso esihle sokwenza izibuko .

Umthombo:

Iziguli Amapheshana: Umhlahlandlela Wokuthenga Wezibuko Zesibuko, 243 N. Lindbergh Blvd. St. Louis, MO 63131. I-American Optometric Association (AOA).