- Asweage,thelensesoftheeyesthicken,andthusrefractlightdifferently.Thesurfaceshavebeenfinishedinwaxedstuccotoreflectandrefractlight,whichsimultaneouslyservesasapracticalfactor.Corrects-Light-diffusingparticlesreflectandrefractlightstrikingtheskin'ssur...
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- Themoststrikingqualityofopalisitsabilitytorefractandreflectspecificwavelengthsoflight.Postoperativepain,epithelialhealingtime,manifestrefractionandcornealHazewereexaminedinPRK-andLASEK-treatedeyes.ThechangesoftheinhabitsituationofXiasongvillageofChay...
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