Chitetezo ku UVA (400nm) gulu la ma radiation a UV chifukwa cha conjunctivitis, cataract.
Mtundu wa CT (Center Makulidwe): + 0.2 ~ -0.15mm (ya 1.15mm)
ET (Kudera Kwazitali): + 0.2 ~ -0.15mm (ya 1.15mm)