I was a great student especially in math. Can my sickness be a reason that I can enter a great univ since my grades dropped for was sick?

I am 32 years old C#/C/PHP/Java programmer. I started programming since was 16 year old..

Academic background:

Pre-univ very bad I know as it was not needed for all univs and those who needed just needed to pass and get above %50. Mine pre-unvi average: Only above 68%.

High school Diploma was three years... My field was math and Physics.. I am a programmer without college education now..

First year

English: 100%

Arabic: 100%

Math: 98%

Physics: 96%

Chemistry: 93%

Biology: 97.5%

Complementary math: 100%

Second year:

Arabic: 93%

English: 90%

Physics: 91%

Chemistry: 92%

Math: 93%

Geometry: 80%

Statistics: 99%

Third year:

Arabic: 86%

English: 90%

Physics: 71%

Chemistry: 91%

Algebra: 81%

Geometry: 76%

Calculus: 76%

computer science: 96%

I listed only important courses..

I got National diploma exam (3rd year) average: %76

Marks of national diploma exam (Important ones): (Arabic: 80%, English: 95%, Physics: 59%, Chemistry: 87%, Algebra: 77%, Geometry: 64%, Calculus: 71%)

Formal Average grade of First year based on units: 97%

Formal Average grade of Second year based on units: 93%

Formal Average grade of Third year based on units: 85%

Three years High school average grade: 91%

I am doing an Antivirus using C# and WPF now. I wrote drivers in Windows & Linux, too....

Any job and admission in one following field in a university:

Applied Math, math, computer science... I can't afford, so, I need to be a programmer/researcher and BS student in the field at the same time..

Thanks!