Examination-Ready Glaucoma Case Template
Use this as a long-case format. Adapt the wording to the patient and avoid recording normal findings unless you have examined them.
1. Identification Data
- Name:
- Age / sex:
- Occupation:
- Address:
- Date of examination:
- Informant and reliability:
- Eye affected: right / left / both
Example:
“Mr X, a 62-year-old male, farmer, presented with complaints involving both eyes. History is reliable.”
2. Chief Complaints
Record each complaint with duration.
Common glaucoma presentations
Chronic primary open-angle glaucoma (POAG)
- Gradual, painless diminution of peripheral vision, often unnoticed, for ___ months/years
- Difficulty seeing at night or navigating stairs
- Frequent change of spectacles / blurred vision
- Headache may occur but is non-specific
- Usually no redness, pain, or discharge
Primary angle closure or chronic angle-closure glaucoma
- Intermittent episodes of blurred vision
- Halos around lights
- Brow ache/headache, often in dim illumination or evening
- Nausea or vomiting during acute attacks
- Painful red eye with sudden visual loss in acute angle closure
Sample wording for POAG:
“Gradual painless diminution of vision in both eyes for 2 years, more in the left eye, associated with difficulty noticing objects from the side for 6 months.”
3. History of Present Illness
A. Characterize visual loss
Ask:
- Onset: sudden or gradual?
- Course: progressive, stationary, episodic?
- Unilateral or bilateral?
- Central versus peripheral loss?
- Difficulty in low light or at night?
- Any problem with mobility, stairs, driving, or bumping into objects?
B. Ask for symptoms of raised IOP or angle closure
- Ocular pain or brow ache
- Redness
- Halos around lights
- Headache
- Nausea/vomiting
- Episodic blurring, especially in darkness, after dilatation, or after emotional stress
C. Screen for secondary glaucoma
Ask specifically about:
- Previous ocular trauma, especially blunt trauma, hyphema, or angle recession
- Previous eye surgery, laser treatment, intravitreal injections
- Uveitis: pain, photophobia, redness, recurrent episodes
- Long-term steroid use: topical eye drops, oral tablets, inhalers, creams, injections
- Diabetes and proliferative diabetic retinopathy
- Retinal vein occlusion
- Ocular tumor, chronic retinal detachment
- Chemical injury
- High myopia
- Previous use of antiglaucoma drops, compliance, adverse effects, and last dose
D. Relevant medications
- Corticosteroids
- Topiramate or sulfonamide-related medicines, which can cause secondary angle closure
- Anticholinergics, sympathomimetics, antidepressants, or cold medications that may precipitate angle closure in predisposed eyes
- Systemic beta-blockers, antihypertensives, and vasodilators
- Previous glaucoma medications, duration, adherence, and side effects
Sample HOPI for POAG:
“The patient was apparently well 2 years ago, when he developed gradual, painless, progressive diminution of vision in both eyes. He also reports difficulty noticing objects from the side. There is no ocular pain, redness, halos, nausea, vomiting, trauma, or prior ocular surgery. He was diagnosed with glaucoma ___ months ago and has been using ___ drops, with irregular compliance.”
4. Past Ocular History
Ask and record:
- Previous eye examination and IOP readings
- Diagnosis of glaucoma, ocular hypertension, narrow angles, or optic-disc abnormality
- Prior laser peripheral iridotomy, SLT, trabeculectomy, tube shunt, MIGS, cataract surgery
- Trauma
- Uveitis
- Retinal disease or retinal laser
- Spectacle use and refractive error, especially high myopia or hypermetropia
- Previous steroid use
- History of amblyopia or poor vision since childhood
5. Past Medical History
Ask about:
- Diabetes mellitus
- Hypertension and antihypertensive treatment, particularly nocturnal hypotension
- Migraine, Raynaud phenomenon, sleep apnoea, or vascular disease, especially in normal-tension glaucoma
- Bronchial asthma/COPD, bradycardia, heart block, or heart failure, before prescribing topical beta-blockers
- Renal disease, liver disease, sulfonamide allergy, before systemic carbonic anhydrase inhibitors
- Thyroid disease
- Autoimmune disease/sarcoidosis/tuberculosis, if uveitis suspected
6. Personal History
- Diet and appetite
- Sleep pattern
- Bowel and bladder habits
- Smoking, alcohol, and substance use
- Occupation, driving, fall risk, and visual needs
- Drug allergy
- Long-term self-medication, especially steroids
7. Family History
Ask about:
- Glaucoma in parents, siblings, or children
- Blindness of unknown cause in relatives
- Early cataract surgery or laser iridotomy in relatives
- Diabetes and hypertension
Important: A positive first-degree family history strongly supports risk for primary glaucoma. Family screening should be advised.
8. General Physical Examination
- General condition and build
- Pulse and blood pressure
- Signs of diabetes, hypertension, or systemic steroid use
- Features suggesting connective-tissue or inflammatory disease, if relevant
9. Ocular Examination
Examine both eyes. Record findings separately for OD and OS.
A. Visual Acuity
| Test | Right eye | Left eye |
|---|
| Uncorrected distance VA | | |
| Best-corrected distance VA | | |
| Near VA | | |
| Pinhole | | |
Also record:
- Refraction, if indicated
- Colour vision, particularly when another optic neuropathy is suspected
- Contrast sensitivity, if available
B. External Examination and Adnexa
Inspect for:
- Lid abnormality, blepharitis
- Proptosis
- Facial asymmetry
- Signs of trauma
- Conjunctival congestion
- Corneal enlargement in congenital glaucoma
C. Pupillary Examination
Record:
- Size and shape
- Direct and consensual light reflexes
- Relative afferent pupillary defect (RAPD)
- Near response
Interpretation: RAPD may occur in asymmetric advanced glaucoma. A marked RAPD, reduced colour vision, or disproportionate central acuity loss should raise concern for a non-glaucomatous optic neuropathy.
D. Ocular Movements
- Extraocular movements
- Diplopia, if present
E. Slit-Lamp Examination
Conjunctiva and sclera
- Congestion
- Dilated episcleral vessels, suggesting raised episcleral venous pressure
Cornea
Look for:
- Clear or oedematous cornea
- Microcystic epithelial oedema
- Pigment on endothelium, Krukenberg spindle in pigment dispersion
- Keratic precipitates in uveitis
- Haab striae in congenital glaucoma
Anterior chamber
- Depth: Van Herick grading at limbus
- Cells/flare
- Hyphema
- Peripheral anterior synechiae, if visible
- Shallow peripheral chamber suggests angle-closure risk
Iris
Look for:
- Atrophy, transillumination defects
- Neovascularization of iris
- Pseudoexfoliative material at pupillary margin
- Posterior synechiae
- Iris bombe
- Sectoral iris atrophy
Lens
- Cataract and lens thickness
- Pseudoexfoliative material on anterior lens capsule
- Phacodonesis or lens subluxation
- Intumescent cataract in phacomorphic glaucoma
F. Intraocular Pressure
- Measure by Goldmann applanation tonometry whenever possible.
- Document time of measurement and current glaucoma medication.
- Measure both eyes.
- Consider repeat readings or diurnal IOP assessment if diagnosis or control is unclear.
| Measurement | Right eye | Left eye |
|---|
| IOP at ___ AM/PM | ___ mmHg | ___ mmHg |
| Medication at time of IOP | | |
| Central corneal thickness | ___ µm | ___ µm |
Points to mention in viva
- IOP alone does not diagnose glaucoma.
- Normal IOP does not exclude glaucoma.
- Thin corneas can cause underestimation of IOP and increase glaucoma risk.
- Record baseline untreated IOP if available.
G. Gonioscopy
Perform before dilation when angle closure is suspected.
Record:
- Angle open / narrow / closed
- Shaffer grade in all quadrants
- Pigmentation
- Peripheral anterior synechiae (PAS)
- Angle recession
- Neovascularization
- Sampaolesi line/pigment features
- Pseudoexfoliative material
| Gonioscopy | Right eye | Left eye |
|---|
| Angle width | | |
| Trabecular meshwork visible? | | |
| PAS | | |
| Pigmentation | | |
| Other findings | | |
Interpretation
- Open angle supports POAG, normal-tension glaucoma, pigmentary glaucoma, pseudoexfoliative glaucoma, or some secondary glaucomas.
- Narrow/occludable angle suggests primary angle-closure spectrum.
- PAS supports previous or chronic angle closure, uveitis, trauma, or neovascular glaucoma.
- Angle recession indicates traumatic glaucoma.
Gonioscopy is central to classification and treatment planning in glaucoma. Kanski notes slit-lamp evaluation for secondary signs, tonometry before pachymetry, gonioscopy, and optic-disc examination as core elements of assessment.
H. Fundus Examination
Perform dilated examination when safe. Record separately for each eye.
Optic nerve head
Assess:
- Disc size
- Cup-disc ratio, vertical and horizontal
- Neuroretinal rim: thinning, notching, focal loss
- ISNT rule: normal rim thickness Inferior > Superior > Nasal > Temporal
- Cup asymmetry, especially difference >0.2
- Disc haemorrhage
- Laminar dot sign
- Baring of circumlinear vessels
- Bayonetting of vessels
- Peripapillary atrophy
- Pallor: pallor exceeding cupping suggests non-glaucomatous optic neuropathy
Retina
Assess:
- RNFL defects, especially wedge-shaped superior or inferior defects
- Macula
- Diabetic retinopathy
- Retinal vein occlusion
- Neovascularization
- Other retinal causes of field loss
| Fundus finding | Right eye | Left eye |
|---|
| Disc size | | |
| Vertical C:D ratio | | |
| Rim status | | |
| ISNT rule | | |
| Disc haemorrhage | | |
| RNFL defect | | |
| Macula/retina | | |
Typical glaucomatous disc features: progressive cupping with focal inferior or superior rim thinning/notching, disc haemorrhage, RNFL defects, and corresponding visual-field loss. RNFL defects may precede detectable disc or field change.
I. Visual Field Examination
Perform standard automated perimetry, commonly Humphrey 24-2 or 30-2. Use 10-2 when central/paracentral loss is suspected.
Record:
- Reliability indices: fixation losses, false positives, false negatives
- Mean deviation (MD)
- Pattern standard deviation (PSD)
- Glaucoma hemifield test
- Pattern and location of defect
- Correlation with disc and OCT findings
Typical glaucomatous field defects
Early:
- Paracentral scotoma
- Nasal step
- Seidel scotoma
Moderate:
- Arcuate/Bjerrum scotoma
- Double arcuate scotoma
Advanced:
- Tunnel vision
- Temporal island
- Central island only
Key rule: Field loss must respect the horizontal meridian and correspond to structural damage at the optic disc. If it respects the vertical meridian, consider a neurological lesion instead.
10. Investigations
Essential baseline tests
-
Goldmann applanation tonometry
Record IOP, time, and medication status.
-
Central corneal thickness (pachymetry)
Helps interpret IOP and risk.
-
Gonioscopy
Classifies the glaucoma as open-angle or angle-closure and identifies secondary angle pathology.
-
Optic disc photography
Provides objective baseline for future comparison.
-
OCT optic nerve head and RNFL analysis
Include peripapillary RNFL and macular ganglion cell complex/inner plexiform layer analysis.
-
Standard automated perimetry
Repeat unreliable fields and use serial tests to establish progression.
-
Dilated fundus examination
To document disc, RNFL, macula, and retina.
Selective investigations
| Clinical suspicion | Useful investigation |
|---|
| Angle closure / plateau iris | Anterior-segment OCT or ultrasound biomicroscopy |
| Suspected progression or variable IOP | Diurnal IOP curve |
| Advanced/atypical normal-tension glaucoma | BP monitoring, assessment for sleep apnoea/vascular dysregulation when clinically indicated |
| Optic neuropathy not typical of glaucoma | MRI brain/orbits, neuro-ophthalmology referral |
| Neovascular glaucoma | Fundus fluorescein angiography/OCT and systemic diabetes or carotid vascular evaluation as relevant |
| Uveitic glaucoma | Directed uveitis work-up, not indiscriminate laboratory testing |
| Traumatic glaucoma | Gonioscopy for angle recession |
11. Diagnostic Reasoning and Classification
Primary open-angle glaucoma
Diagnose when there is:
- Open angle on gonioscopy
- Characteristic glaucomatous optic neuropathy
- Corresponding RNFL/GCC thinning and/or reproducible glaucomatous field defects
- No alternative ocular or neurological explanation
- IOP may be raised or within statistically normal range
Normal-tension glaucoma
- Open angle
- Typical disc and field damage
- Untreated IOP consistently in normal range
- Exclude mimics such as compressive optic neuropathy, ischemic optic neuropathy, and tilted disc
Primary angle-closure disease spectrum
- Primary angle-closure suspect: narrow/occludable angle without PAS, raised IOP, or glaucomatous neuropathy
- Primary angle closure: narrow angle with PAS and/or raised IOP, but no glaucomatous neuropathy
- Primary angle-closure glaucoma: angle closure with glaucomatous optic neuropathy and field loss
Secondary glaucoma
Classify according to cause:
- Pseudoexfoliative
- Pigmentary
- Steroid-induced
- Traumatic/angle-recession
- Uveitic
- Neovascular
- Lens-induced: phacomorphic, phacolytic, lens-particle
- Post-surgical or aphakic/pseudophakic
- Raised episcleral venous pressure
12. Differential Diagnoses
A. Differential diagnosis of glaucomatous optic disc cupping
- Physiological large cup
- High myopic disc/tilted disc
- Optic atrophy with pseudocupping
- Compressive optic neuropathy
- Ischemic optic neuropathy
- Hereditary optic neuropathy
- Previous optic neuritis
- Congenital disc anomalies
Features favoring non-glaucomatous optic neuropathy
- Visual acuity or colour vision reduced out of proportion to cupping
- Pallor greater than cupping
- Marked RAPD
- Field defect respecting vertical meridian
- Young age or rapidly progressive asymmetric disease
- Neurological symptoms
- OCT/field pattern not matching disc findings
B. Differential diagnosis of a painful red eye with high IOP
- Acute primary angle closure
- Acute anterior uveitis with secondary glaucoma
- Neovascular glaucoma
- Lens-induced glaucoma
- Phacolytic/phacomorphic glaucoma
- Posner-Schlossman syndrome
- Trauma-related glaucoma
- Scleritis or keratitis, though these typically have different corneal/anterior chamber findings
13. Provisional Diagnosis Format
Use a complete sentence containing laterality, type, stage, IOP control, and important associated findings.
Example: POAG
“Bilateral primary open-angle glaucoma, moderate stage in the right eye and advanced stage in the left eye, with raised IOP on current treatment, glaucomatous optic-disc cupping, RNFL thinning, and corresponding arcuate visual-field defects.”
Example: normal-tension glaucoma
“Bilateral normal-tension glaucoma, more severe in the left eye, with open angles, characteristic inferior rim thinning and corresponding superior arcuate field loss, despite untreated IOP within the normal range.”
Example: acute angle closure
“Acute primary angle-closure attack in the right eye, with a shallow anterior chamber, corneal oedema, fixed mid-dilated pupil, markedly raised IOP, and an occludable fellow-eye angle.”
14. Management Protocol
Management must be individualized by an ophthalmologist. The aim is to prevent further optic-nerve damage by achieving and maintaining a safe target IOP, while monitoring structural and functional progression.
A. Immediate priorities
-
Establish whether this is an emergency:
- Acute angle closure
- Very high IOP with pain/corneal oedema
- Neovascular glaucoma
- Uveitic glaucoma with severe inflammation
- Rapid visual deterioration
-
Identify glaucoma mechanism through gonioscopy and ocular examination.
-
Establish baseline:
- IOP
- CCT
- Disc photos
- OCT RNFL/GCC
- Reliable visual field
- Risk factors and expected lifetime risk
B. POAG and normal-tension glaucoma
Treatment goal
- Establish a target IOP based on baseline IOP, stage, rate of progression, life expectancy, fellow-eye status, and risk factors.
- A common initial goal for POAG is an IOP reduction of approximately 20% to 30% from baseline, then modify the target if progression occurs. AAO POAG guidance
First-line options
1. Prostaglandin analogue, usually once nightly
- Latanoprost
- Travoprost
- Bimatoprost
- Tafluprost
Common adverse effects:
- Conjunctival hyperaemia
- Increased iris pigmentation
- Eyelash growth
- Periocular skin pigmentation/periorbitopathy
- Use caution in active uveitis or certain macular oedema risks
2. Selective laser trabeculoplasty (SLT)
- Appropriate first-line or adjunctive option in open-angle glaucoma.
- Particularly useful when adherence, cost, medication intolerance, or drop burden is problematic.
Add-on topical medicines
Choose according to contraindications and response:
- Beta-blocker: timolol
- Alpha-2 agonist: brimonidine
- Topical carbonic anhydrase inhibitor: dorzolamide/brinzolamide
- Fixed combinations to reduce drop burden
- Rho-kinase inhibitor where locally available
Safety check before topical beta-blocker: asthma/COPD, bradycardia, heart block, and decompensated heart failure.
If IOP remains above target or progression continues
- Confirm adherence and correct drop instillation
- Review angle and secondary causes
- Escalate medication or perform/repeat SLT when appropriate
- Consider surgery:
- Trabeculectomy with antimetabolite
- Glaucoma drainage device/tube shunt
- Selected MIGS procedures, usually with cataract surgery in appropriate mild-moderate open-angle disease
- Cyclodestructive procedures in refractory cases/limited visual potential
C. Primary angle-closure disease
Primary angle-closure suspect
- Gonioscopy, risk assessment, patient education
- Consider prophylactic laser peripheral iridotomy (LPI) in high-risk occludable angles according to ophthalmology assessment
- Monitor angle, IOP, PAS, disc, and fields
Primary angle closure or angle-closure glaucoma
- LPI for pupillary-block mechanism
- Manage residual raised IOP with medication, laser, or surgery as needed
- Consider lens extraction when lens-related crowding/cataract materially contributes to angle closure
- Continue long-term monitoring because LPI does not eliminate all angle-closure mechanisms or glaucoma risk
D. Acute primary angle closure: emergency protocol
Do not delay ophthalmology referral.
Initial emergency measures
Under ophthalmology supervision, rapidly lower IOP with:
- Topical aqueous suppressants:
- Beta-blocker
- Alpha-agonist
- Topical carbonic anhydrase inhibitor
- Systemic carbonic anhydrase inhibitor, such as acetazolamide, if not contraindicated
- Hyperosmotic therapy, such as mannitol, in severe cases when required
- Topical steroid and analgesia/antiemetic as clinically needed
- Pilocarpine is generally considered after IOP begins to fall and iris perfusion improves, not as the sole initial treatment in a very high-pressure attack
Definitive management
- Laser peripheral iridotomy after corneal clarity and IOP permit
- Consider anterior-chamber paracentesis or laser iridoplasty in selected cases
- Assess the fellow eye urgently. A phakic fellow eye is commonly offered prompt prophylactic LPI because of high risk. AAO angle-closure guidance
E. Secondary Glaucoma: Treat the Cause
| Type | Core management principle |
|---|
| Steroid-induced | Taper/stop or substitute steroid when clinically safe; treat IOP |
| Pseudoexfoliative | Often needs lower target IOP and closer follow-up; consider laser/surgery earlier |
| Pigmentary | Treat raised IOP; assess for pigment dispersion and reverse pupillary block where appropriate |
| Uveitic | Control inflammation adequately plus IOP treatment; avoid undertreating uveitis |
| Neovascular | Urgently treat retinal ischemia with retinal specialist input, anti-VEGF and panretinal photocoagulation when appropriate, plus IOP control |
| Traumatic/angle recession | Lifelong follow-up due to delayed glaucoma risk |
| Lens-induced | Control IOP and perform appropriate cataract/lens management |
| Raised episcleral venous pressure | Identify and treat underlying orbital/carotid-cavernous/systemic cause |
15. Follow-Up and Counselling
At every follow-up
- Symptoms and medication adherence
- Side effects and contraindications
- IOP, time, and treatment
- Visual acuity
- Optic disc/RNFL status
- Need for gonioscopy or repeat visual fields
- Assess progression, not only the absolute IOP
Follow-up intervals depend on damage severity, target attainment, and evidence of progression. Advanced disease, uncontrolled IOP, or documented progression requires closer review.
Patient counselling
Explain:
- Glaucoma damage is irreversible, but progression is often preventable.
- Vision may feel normal until disease is advanced.
- Drops must be used regularly, even without symptoms.
- Demonstrate punctal occlusion: close eyelids gently and press the inner corner of the eye for 1-2 minutes after instillation to reduce systemic absorption.
- Do not stop drops without medical advice.
- Encourage screening of first-degree relatives.
- Give urgent return advice for sudden pain, redness, halos, marked blurring, headache, nausea, or vomiting.
16. Short Examination Presentation
“Mr X is a ___-year-old ___ with gradual painless progressive peripheral visual loss in both eyes for ___. He has risk factors of ___ and a positive/negative family history. On examination, best corrected visual acuity is ___ in the right eye and ___ in the left eye. IOP is ___ and ___ mmHg at ___ time. Gonioscopy shows open/narrow angles. Fundus examination shows glaucomatous cupping with ___ rim thinning/notching and ___ RNFL defects. OCT demonstrates ___ RNFL/GCC loss, and automated perimetry shows corresponding ___ defects. My provisional diagnosis is ___ glaucoma, ___ stage, in ___ eye, with ___ in the fellow eye. I would establish a target IOP, initiate/optimize IOP-lowering therapy or laser as indicated, investigate secondary causes where appropriate, and monitor IOP, disc/OCT, and fields serially.”
Recent literature highlights that glaucoma trials still use inconsistent diagnostic definitions, reinforcing the need to document and correlate IOP, gonioscopy, optic nerve/RNFL structure, and reproducible field loss rather than rely on a single measure.
Systematic review, PMID 41474870