adjective / noun
prognostic
prahg-NAH-stik/prɑːɡˈnɑːstɪk/
Indicating a future outcome, especially the course of an illness.
The clinician uses prognostic information to consider how an illness may progress.

Etymology
The pieces express “knowing beforehand.” Applied to signs or symptoms, the adjective describes their ability to indicate what is likely to happen, especially the outcome of an illness.
In context
your prognostic predictions for your patient so the vision is probably the biggest Factor worst vision is going to do poor overall
More examples
- The patient's age is an important prognostic factor.
- This blood test has little prognostic value on its own.
- Economists study the prognostic significance of falling consumer spending.
Forms
prognostic · prognostics
prognosis noun — A prediction of an illness's likely course.
prognosticate verb — To predict how events will unfold.
Similar words
- predictive
- Applies broadly to forecasting, not especially to illness outcomes.
- indicative
- Suggests a condition or trend without necessarily forecasting an outcome.