To treat blurred vision and inability to see clearly: Take 500 fruits of *Broussonetia papyrifera* (Paper Mulberry fruit, Chutao) and 500 catkins of *Schizonepeta* (Jingjie Sui), grind them into fine powder, and make pills the size of a marble using refined honey. Chew one pill after meals, taken three times daily.
To treat lacrimation caused by wind pathogen: Take one autumn *Trichosanthes kirilowii* melon (Qiugua), remove the pulp with a bamboo knife, fill it with saltpeter (Poxiao), hang it in a shady place, and collect the dripping nitrate solution using a porcelain vessel.
To treat fiery eyes (acute conjunctivitis) with redness, swelling, and pannus: Crush 2 liang of *Coptis chinensis* (Huanglian) and finely chop 2 liang of *Phellodendron amurense* bark (Huangbai) after removing the rough outer layer. Add seven bowls of water and decoct in a silver or copper vessel until reduced to three bowls.
To treat ulcerative eyes caused by wind pathogen: Mix *Chalcis Viridis* (Tongqing, Verdigris) with water, spread it on the bottom of a bowl, fumigate with mugwort (*Artemisia argyi*) to form an ointment, scrape off the ointment, and apply it to the ulcerated area.
Another prescription: Take an unspecified amount of *Coptis chinensis* (Huanglian), decoct in a clay vessel with water until the liquid is reduced by half, filter out the dregs using cotton silk, pour the filtrate into a clay cup, and steam it over a bottle containing ginger soup. When the liquid reduces, add... (text truncated here).
To treat sudden red eyes: Decoct *Mentha haplocalyx* (Bohe) and *Schizonepeta tenuifolia* (Jingjie) in a clay pot to prepare a Fangfeng decoction. Fumigate the eyes with the hot vapor, and simultaneously wash the eyes with the liquid using your hands.
Another prescription: Prepare a basin of hot water. Keep your eyes tightly closed and scoop up the hot water with your hands to wash over the eyes. Stop when the water cools down; frequent washing will bring relief.