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Clinic Desk Reference: Quick Cards for the Eye OPD

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Clinic Desk Reference: Quick Cards for the Eye OPD

Last updated: October 2026

One-screen reference cards for the reports and decisions we handle every day in the eye OPD: topography, OCT, fields, biometry, screening schedules, drops and more. Each card has the cut-offs in a table, red flags, device notes, sources and a print button for the clinic wall.

Download all cards as one printable PDF

Reading reports

Topography & keratoconus screeningRabinowitz, BAD-D, elevation, ABCD staging, refractive surgery safety OCT maculaNormal thickness by device, DME thresholds, hole and ERM staging OCT disc & glaucomaRNFL and GCIPL norms, red and green disease, progression Visual fieldReliability, Anderson-Patella criteria, Hodapp staging, patterns Specular microscopyCell density, CV and hexagonality, what to do before surgery Biometry check before surgeryWhen to recheck, formula by axial length, special situations ElectrophysiologyERG, PERG, mfERG, EOG and VEP: which test and what it means FFA & ICG patternsPhases, hyper- and hypofluorescence, when to order ICG B-scan ultrasoundRD vs PVD vs choroidal detachment; masses; foreign bodies

Decisions in the OPD

Ophthalmic normal valuesIOP, CCT, axial length, tear tests, lids, accommodation, imaging norms When to prescribe glasses in childrenAAO thresholds by age, how much to give, cycloplegic drops Screening schedulesDR follow-up (ICO), ROP in India, hydroxychloroquine Fortified drops & keratitis regimensConcentrations, preparation, loading and taper Strabismus measurementPrism cover, Hirschberg and Krimsky; surgical dose tables Cataract pre-op risk checklistSpot the difficult case in clinic and plan for it

Tools

Transposition & contact lens powerTranspose, spherical equivalent and vertex-corrected corneal power LRI calculatorNomograms for limbal relaxing incisions IOL calculatorsBarrett, Kane, toric and post-refractive calculators Intravitreal & intracameral dosesAntibiotics, antivirals, steroids and anti-VEGF agents

About these cards: cut-offs come from published guidelines, standard texts and device normative data, listed on each card. Device-specific values (OCT, tomography) are not interchangeable between machines, and normal ranges vary with age and ethnicity. These cards support clinical judgement; they do not replace it. Each card shows the date it was last reviewed.

For deeper explanations, see the "how to read" guides: topography, OCT and visual fields, or browse everything in the Learning Dashboard.

📘 Want more exam-ready material? See Most Commons in Ophthalmology on Kindle, or browse all my books.

Written by Dr. Dhaval Patel, MD (Ophthalmology, AIIMS New Delhi)

Consultant, Cataract & Refractive Surgery — among a small number of AIIMS-trained ophthalmologists practicing in Gujarat. Read full credentials & experience or view his 28 publications on ResearchGate.

📚 Also the author of OKAT Decoded and other high-yield ophthalmology exam-prep books used by residents and PG aspirants.

Looking for an eye specialist in Ahmedabad? Learn about our Eye Department or book a consultation with Dr. Dhaval Patel.

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