His comb was bleeding and eyes were half blind.

牠的冠在流血， 牠的眼睛半瞎。

youdao

The photo below is a family whose mother is blind, their father half blind, and most of the children are blind too.

下面的照片里是一家人，母亲是盲人，父亲半盲，他们的孩子大多都是盲人。

youdao

In heavily infected areas, half the population become blind.

在严重感染的地区，有一半人口失明了。

《柯林斯英汉双解大词典》

Each year an estimated two hundred fifty thousand to half a million children go blind from vitamin A deficiency.

VOA: special.2011.03.01

"There was a dreadful roaring behind them as they stumbled, half blind, frightened, soaking wet, through miles of paddy, sinking into thick mud while trying desperately to outrun the ever-pursuing monster, " Winchester tells us.

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The blacksmith felt his organs clench as the first of the dogs, the bravely stupid, half-blind shepherd, reached the tiger and immediately went end over end as the big cat lashed at and then pinned him with all its enormous weight.

NEWYORKER: The Tiger��s Wife

The half-blind cleric--who leads the Nadhlatul Ulama, a moderate Muslim organization with 30 million members--has actually won greater support from a loose coalition of eight Islamic parties known as the Central Axis than from his own PKB, which still claims to back Megawati.

CNN: ASIANOW - TIME Asia | Indonesia: Taking It Right Down to the Wire