Part I Applied Basic Science (ABS)

Part I ABS – Mar 2026 administration

Exam (test on one of the listed days: Mar 16 or 17 or 18 or 19, 2026)

Registration opens (begins 9 pm ET)2025-09-30

Last day Pearson will hold seats2026-01-15

Testing accommodations (ADA) request deadline2026-01-15

Withdrawal deadline (full refund)2026-02-14

Registration deadline2026-03-02

Withdrawal deadline (20% service fee)2026-03-02

Extended registration ($400 late fee)2026-03-03 ~ 03-09

Score release (subject to change)2026-05-08

공식 출처

2026-2027 Exam Calendar | NBEO

optometry.org · 확인 2026-10-22 17:00

Part I ABS – Aug 2026 administration

Exam (test on one of the listed days: Aug 5 or 6, 2026)

Registration opens (begins 9 pm ET)2026-05-12

Last day Pearson will hold seats2026-06-06

Testing accommodations (ADA) request deadline2026-06-06

Withdrawal deadline (full refund)2026-07-06

Registration deadline2026-07-22

Withdrawal deadline (20% service fee)2026-07-22

Extended registration ($400 late fee)2026-07-23 ~ 07-29

Score release (subject to change)2026-09-25

공식 출처

2026-2027 Exam Calendar | NBEO

optometry.org · 확인 2026-10-22 17:00

Part I ABS – Mar 2027 administration

Exam (test on one of the listed days: Mar 15 or 16 or 17 or 18, 2027)

Registration opens (begins 9 pm ET)2026-10-06

Last day Pearson will hold seats2027-01-14

Testing accommodations (ADA) request deadline2027-01-14

Withdrawal deadline (full refund)2027-02-13

Registration deadline2027-03-01

Withdrawal deadline (20% service fee)2027-03-01

Extended registration ($400 late fee)2027-03-02 ~ 03-08

Score release (subject to change)2027-05-07

공식 출처

2026-2027 Exam Calendar | NBEO

optometry.org · 확인 2026-10-22 17:00

Part I ABS – Aug 2027 administration

Exam (test on one of the listed days: Aug 18 or 19, 2027)

Registration opens (begins 9 pm ET)2027-05-11

Last day Pearson will hold seats2027-06-19

Testing accommodations (ADA) request deadline2027-06-19

Withdrawal deadline (full refund)2027-07-19

Registration deadline2027-08-04

Withdrawal deadline (20% service fee)2027-08-04

Extended registration ($400 late fee)2027-08-05 ~ 08-11

Score release (subject to change)2027-10-08

공식 출처

2026-2027 Exam Calendar | NBEO

optometry.org · 확인 2026-10-22 17:00