A 55 years old patient complains of decreased distance vision however he will now does not require his near glasses for near work,the most likely cause is
Nuclear sclerosis causes mild increase in the refractive index of the lens and hence the refractive power of the lens increases it leads to improvement in the near vision
Posterior subcapsular cataract
Nuclear sclerosis
Zonular cataract
Anterior subscapular cataract
Lens