wǒ bǎ yǎnjìng fàng zài jiā li le, suǒyǐ xiànzài kànbùqīngchu.

把 does not translate neatly into one English word. It marks the noun that is being dealt with or affected by the action.

The pattern here is:

Subject + 把 + object + verb + result/location

So:

我把眼镜放在家里了
= I put/left my glasses at home

Using 把 highlights what happened to 眼镜. It tells the listener, as for the glasses, here is what I did with them.

That is because of the 把-construction. In a normal sentence, the object usually comes after the verb, but with 把, the object is moved before the verb:

• normal order: 我放眼镜...
• 把 sentence: 我把眼镜放...

English speakers often find this unusual because English does not have a similar structure. In Chinese, this pattern is common when the speaker wants to emphasize the handling or result involving a specific object.

Here, 在 introduces the place where something is put.

• 放 = to put/place
• 在家里 = at home / in the house

So 放在家里 means put it at home or leave it at home.

This is a very common pattern:

verb + 在 + place

For example:

• 坐在椅子上 = sit on the chair
• 写在纸上 = write on the paper
• 放在桌子上 = put on the table

In everyday speech, some people may shorten this kind of phrase, but 放在家里 is the standard and clear form.

Here, 了 shows that the action has been completed or that a new situation now exists.

In this sentence, it means the speaker's glasses are now at home, and that result matters to the present situation. That is why the next part says:

所以现在看不清楚
= so now I can’t see clearly

So 了 is not just about the past. It often signals a completed action with present relevance or a change of state.

家 means home or family, depending on context.
家里 literally means inside the home, and it often functions like at home or in the house.

In this sentence, 家里 is more natural because the speaker is talking about location:

• 在家 = at home
• 在家里 = at home / in the house

Both can work in many situations, but 家里 makes the location feel a little more concrete.

Chinese often leaves out possessives like my, your, or his when the meaning is obvious from context.

Here, if I say:

我把眼镜放在家里了

it is naturally understood as my glasses, because they are the glasses relevant to me.

Adding 我的 is possible, but it is not necessary unless you want emphasis or contrast:

• 我把我的眼镜放在家里了
  = I left my glasses at home

That could sound more emphatic than the simple version.

所以 means so or therefore.

In this sentence, the first clause gives the reason, and 所以 introduces the result:

• reason: 我把眼镜放在家里了
• result: 现在看不清楚

You do not have to add 因为 if the reason is already clear. But you could also say:

因为我把眼镜放在家里了，所以现在看不清楚。

That means the same thing, just with the full because...so... structure.

Chinese often drops a repeated subject when it is already obvious.

So instead of saying:

我把眼镜放在家里了，所以我现在看不清楚。

it is very natural to say:

我把眼镜放在家里了，所以现在看不清楚。

The second 我 is understood automatically. This kind of omission is very common in Chinese.

看不清楚 can be broken down like this:

• 看 = to look / see
• 不 = not / cannot
• 清楚 = clearly / clear

So:

看不清楚 = cannot see clearly

This is a common Chinese pattern:

verb + 不 + result complement

It means the action does not successfully achieve its result.

Other examples:

• 听不懂 = cannot understand by listening
• 找不到 = cannot find
• 看不见 = cannot see

So 看不清楚 is not just not clear. It means the seeing does not reach the result of clarity.

In Chinese, 眼镜 is just the normal word for glasses. Chinese nouns usually do not change form for singular and plural the way English nouns do.

So 眼镜 can refer to the glasses as a single item. If you want to count it, you usually say:

一副眼镜 = one pair of glasses

In this sentence, just saying 眼镜 is completely natural.

Literally, 放 means put/place. But in this context, a natural English translation is often left:

I left my glasses at home, so now I can’t see clearly.

That is because English often uses leave when something was put somewhere and is still there.

So the Chinese sentence does not necessarily focus on whether the speaker forgot them on purpose or by accident. It mainly states their current location and the consequence. If you want to emphasize accidentally leaving or forgetting them, Chinese might use verbs like 落 or 忘 in other sentences.