Tonometry - Implications

The following is regarding Aqueous humour Outflow, EXCEPT :

• hydrostatic component

• Trabecular pathway

• Uveoscleral pathway

• unconventional pathway

The Average intraocular pressure is thought to be about

• 14mmHg

• 15mmHg

• 16mmHg

• 17mmHg

How much does the distensible uveal tissue absorbs from the intraocular pressure?

• 5mmHg

• 4mmHg

• 3mmHg

• 2mmHg

Pulsation of intraocular pressure may be higher with

• large Aqueous formation

• large vein pulse pressure

• large arterial pulse pressure

• large aqueous outflow

The right side of the Bell shaped graph of the IOP distribution in a population depicts the

• Normal IOP

• Low IOP

• High IOP

• Average IOP

Highest diurnal variation was seen in which time of the day?

• 7am

• 7pm

• 12pm

• 12am

Which sleeping position has got an overall lower IOP readings

• Supine

• Standing

• Sitting

• Supine Face down

Which population has higher IOP while sleeping disregards to their position while sleeping.

• Younger population

• Older population

Systemic Factors that may raise IOP are the following, EXCEPT:

• Valsalva maneuver

• Large increase in blood pressure

• Increased carotid blood flow

• Forced blinking

which of the following does NOT cause Hypotony?

• cyclodialysis

• ruptured globe

• successful glaucoma surgery

• perforation of the cornea from infection