You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A young patient presents to the ophthalmic outpatient department with gradual blurring of vision in the left eye. Slit lamp examination reveals fine stellate keratic precipitates and aqueous flare and a typical complicated posterior subcapsular cataract. No posterior synechiae were observed. The most likely diagnosis is – and explain in detail?
Gradual blurring of vision (unilateral) from a complicated subcapsular cataract in a patient with stellate keratic precipitates and no posterior synechiae suggest a diagnosis of Fuch's uveitis syndrome or Fuch's heterochromic Iridocyclitis.
The classical triad of Fusch's heterochromic iridocyclitis includes -

Heterochromia of iris
Small, round, stellate nonpigmented keratic precipitates and
Complicated posterior subcapsular cataract