as per standard opinion his diastolic blood pressure should be below 90..instead of 98, consult yr cardiologist/physician for this, to modify the medicine,get his full blood profile including cholesterol, blood urea, serum creatinine, ultrasound abdomen, 2D echo of heart ECG..etc..he should avoid oily food and added salt restrictions..must do some exercise/walking as per physician, as far as eyes r concerned ..get his fundus examination of his eyes for hypertensive retinopathy, and IOP checked .. if there is leakage in the retinal vessels then fluroscien angiography of eye is advised..to know the involvement of which vessel , leakage site and accordingly its management by laser or by anyother means..kindly let me know the above tests report to tell u futher management..