Question

how does one detect cataract in early stages​

Answer 1

Explanation:

Cloudy Vision – One of the most obvious signs of early-stage cataracts is the appearance of noticeable fuzzy spots in your field of vision. These spots typically start out as fairly small aberrations, but over time they will worsen, making daily activities harder than they were before

Answer 2

Answer:

Signs and symptoms of cataracts include:

Clouded, blurred or dim vision.

Increasing difficulty with vision at night.

Sensitivity to light and glare.

Need for brighter light for reading and other activities.

Seeing "halos" around lights.

Frequent changes in eyeglass or contact lens prescription.

Fading or yellowing of colors.