My old too-short lenses were only 26mm tall, so I was looking to get something with around 30mm of lens height.

我的旧眼镜镜片只有26毫米高，所以我希望新镜片高度在30毫米左右。

youdao

Clinical features include microspherophakia, lens ectopia, glaucoma, brachydactyly, short status and so on.

临床表现为球形晶状体、晶状体脱位、青光眼、短指、身材矮小等。

youdao

The short range of the induction-loop antenna in the lens means the external antenna has to be very close to the eye: taped around the eye socket, in fact.

眼镜内感应圈天线短意味着外部天线离眼睛一定很近：实际上就是黏在眼眶周围。

youdao

We have a tendency to look at the world through a short-term lens.

FORBES: Start With Your Obituary

Combining a standard camera view, with a second wider view, filmed with a "fish eye" lens, it has been used to film a short live action film called Broken, as well as the Kill Mode animation.

BBC: 180 degree television for the home?