A Sprint opens the full prep for one exam and includes everything in Plus while it lasts. No subscription, and a 7-day money-back guarantee.
One payment · 7-day money-back guarantee
Compare all plansPlus is a subscription for everyday study. A Sprint is a one-time payment for one board exam — and it already includes everything in Plus, so you never need both.
Free
$0forever · no card neededAny 4 of the 11 daily games each day, plus 54 preview Part I questions and 3 Part III simulator cases. Every paid plan below starts from here.
For everyday study, rotations and clinic — the full platform, month to month.
Billed every month. Renews until you cancel — no lock-in.
What you get
Not included: the Part I question bank and Part III simulator. Those come with a Sprint.
For NBEO Part I prep. Pick the runway that fits your exam date.
Charged once for 6 months of access. Never renews · 7-day money-back.
Adds for Part I
Not included: the Part III simulator and Skills Guide (that's the Part III Sprint).
For NBEO Part III prep — patient cases and clinical skills for one exam season.
Charged once for 3 months of access. Never renews · 7-day money-back.
Adds for Part III
Not included: the Part I question bank (that's the Part I Sprint).
Plus keeps renewing until you cancel. Cancel anytime and it stays on until the end of the period you've paid for.
Sprints end on their own. Afterwards you're back on Free — no surprise charge. Buy another later and the time adds on.
You only need one. A Sprint already includes Plus, so there's no reason to buy both. Secure checkout via Stripe.
I'm an optometrist and I build OptoConnections on my own — the questions, the cases, the code. There's no investor behind it and no ads on it. Subscriptions pay for the servers and buy the hours that become the next game, the next batch of cases, the next tool.
The daily games stay free either way. If this has made your studying easier, Plus is how you keep it getting better — for you and for whoever's a year behind you.
— Eugene
The Part III Sprint unlocks every simulator case — interview the patient, order tests, and review your scoring — plus the Part III Skills Guide.
Free, Plus, and each Sprint side by side — including how you pay.
The common decision points, without the scroll marathon.
$15 /mo
Subscription · cancel anytime
Rehearse the case-history portion of every Part III station. Ask the patient anything — chief complaint, ocular and medical history, medications, family history — by typing or dictating your question, as you would in the exam room.
Scored by a fixed rubric.
Each case has its own rubric: diagnosis, tests, plan, follow-up, patient education and the history you took. The same answers earn the same score every time. It is practice feedback, not a predicted NBEO score.
Every answer is written for the case.
The patient only says lines scripted for that case, so the history matches the chart. Your question is matched to the closest line, with help from an AI text-matching model; nothing is made up on the spot.
Standardized-patient logic.
Real Part III patients are actors working from a script, and these cases work the same way. The facts never change, though the patient may add a detail or repeat themselves, as people do.
Dictation support.
Speak your questions instead of typing — practice the way you'll think on exam day.
Eugene H.
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