直接眼科儀器 Zhíjiē yǎnkē yíqì = direct , ophthalmic , instrument
眼底鏡 Yǎndǐ jìng – fundus
檢影鏡 Jiǎn yǐng jìng – retinoscope
耳鏡 Ěr jìng – Otoscope
使用說明 Shǐyòng shuōmíng – use , illustrate = Instruction for use
使用指示 – Shǐyòng zhǐshì – use , instruction
安全性 Ānquán xìng – safety
4. 儀器接頭 yíqì jiētóu – instrument ,connector
4. 儀器接頭