28.2 Patient Education & Counselling on Conditions, Medications, Tests and Results

The structure of a good explanation

Every procedure explanation answers four questions, in this order:

1. What is going to happen — in plain language
2. Why it is being done
3. What it will feel like — including anything startling
4. How long it will take

Then: check for questions, and confirm consent to proceed. A patient who knows a puff of air is coming does not jump; a patient who does not know produces three failed readings.

Worked scripts:

Dilating drops. "I'm going to put drops in both eyes that widen the pupil so the doctor can see the back of your eye properly. They sting for a few seconds. In about twenty minutes your vision will be blurry for reading and bright lights will be uncomfortable. That lasts four to six hours. Do you have sunglasses with you, and did you drive here today?"

Applanation tonometry. "I'm going to measure the pressure inside your eye. First a drop that numbs the surface and turns it yellow — it stings briefly. Then a small blue light touches the front of your eye. You won't feel it because of the numbing drop. It takes about ten seconds per eye. Keep both eyes open and look straight ahead."

Visual field test. "You'll look into a bowl and keep looking straight at the orange light in the middle the whole time. Small lights will flash around the edges — press the button whenever you see one, even if it's very faint. You will not see all of them, and that's completely normal and expected. It takes about five minutes per eye. If you need a break, let go of the button and tell me."

Fluorescein angiography. "We're going to take photographs of the blood vessels at the back of your eye. A dye is injected into a vein in your arm, and the camera takes a rapid series of pictures with a bright flash as the dye travels to your eye. Your skin may look slightly yellow for a few hours and your urine will be bright yellow for a day or so — that's expected and harmless. Some people feel briefly nauseated as the dye goes in; tell me if you do. The whole thing takes about twenty minutes."

OCT. "This scan takes a cross-section picture of the layers at the back of your eye. Nothing touches you and there's no bright flash — just a light to look at. It takes a couple of minutes."

Educating about conditions

Glaucoma. The hardest education task in ophthalmology, because the disease is asymptomatic until late and the treatment causes symptoms while the disease does not.

• Explain that damage to the optic nerve is irreversible, so treatment protects what remains.
• Explain that pressure is a risk factor, not the disease, and that a normal-seeming number does not mean treatment can stop.
• Explain that drops control but do not cure, and must continue indefinitely.
• Explain that peripheral vision is lost first and without the patient noticing.
• Address compliance directly, without accusation: "Most people miss doses sometimes. How many would you say you miss in a typical week?"
• Recommend first-degree relatives be screened.

Diabetic retinopathy. Emphasise that glycaemic and blood pressure control are the primary treatments; that retinopathy can be sight-threatening while vision is still normal, which is why screening is not optional; and that treatment is far more effective before symptoms appear.

Age-related macular degeneration. Distinguish dry from wet; teach daily Amsler grid monitoring one eye at a time; explain that new distortion is an urgent symptom, because wet macular degeneration is treatable and time-sensitive; discuss AREDS2 supplementation only where it is indicated; and address smoking cessation as the strongest modifiable risk factor.

Cataract. Explain that it is a clouding of the eye's own lens, that surgery replaces it with an artificial lens, that the decision to operate is based on how much it affects daily life rather than on a number, and what the recovery involves.

Retinal detachment symptoms. Every patient at risk — high myopes, post-cataract, previous detachment, recent posterior vitreous detachment — should be able to state the warning symptoms: a sudden shower of new floaters, flashing lights, or a curtain or shadow in the vision, and that these mean the same day, not next week.

Teaching medication use

For every medication the patient leaves with, cover:

Regimen simplification is the strongest compliance intervention available: fewer bottles, fewer times a day, fixed combinations, and linking doses to existing habits.

Written instructions should be given as well as spoken — but in large print for a visually impaired patient, and never as a substitute for the verbal explanation and teach-back.

Counselling around results

The boundary is clear: the technologist explains what a test measures and what happens next; the clinician interprets the result and gives the diagnosis and prognosis.

When a patient asks "is it bad?" while you are still performing the test:

"I can see the scan is complete and the doctor will go through it with you in a few minutes. I'd rather they explain what it shows than have me guess — they'll be able to answer your questions properly."

This is honest, does not stonewall, and does not create an expectation the clinician then has to dismantle.

What the technologist can do around difficult news: make sure the patient is not left alone in a darkened room, offer a companion to be present, make sure the promised leaflet and follow-up appointment actually exist, arrange the referral to low vision or support services and document it, and tell the clinician if the patient seems not to have understood.

Instruction in devices and prosthetics

Ocular prosthesis care is a named blueprint item: prostheses are generally cleaned with mild soap and water or a recommended solution, handled over a soft surface so a dropped prosthesis is not damaged, and polished professionally at intervals — commonly annually. The socket should be reviewed periodically. Patients are warned that discharge, discomfort or a change in fit needs review rather than more frequent removal.

Spectacle care: rinse before wiping to remove grit, use a microfibre cloth, avoid paper towels, never leave in a hot car, store in a case, and return for adjustment rather than bending frames at home.

Contact lens care: covered in detail in the contact lens chapters — the non-negotiable messages are never use tap water, do not top up solution, replace the case regularly, and remove the lenses and be seen for any red or painful eye.

Eye dressings and shields: how to apply, how long to keep them on, that a shield is worn at night after surgery to prevent inadvertent rubbing, and that they should not be removed to "check" the eye.