視力が衰え始めた。

視力が衰え始めた。

My eyesight is beginning to fail.

視力(しりょく)が衰(おとろ)え始(はじ)めた。

Shiryoku ga otoroehajimeta.

視力 (しりょく)

eyesight

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

衰える (おとろえる)

to become weak; to decline; to wear; to abate; to decay; to wither; to waste away

Readings: シ、み.る

Meanings: inspection, regard as, see, look at

Readings: リョク、リキ、リイ、ちから

Meanings: power, strength, strong, strain, bear up, exert

Readings: スイ、おとろ.える

Meanings: decline, wane, weaken

Readings: シ、はじ.める、 -はじ.める、はじ.まる

Meanings: commence, begin