A total eye care pharmaceutical company that develops and makes prescription ophthalmic medicines for dry eye, glaucoma, allergy and other conditions, and single-dose eye drops.
01
Products & pipeline
Ophthalmic prescription medicines
Marketed
Prescription ophthalmic portfolio for hospitals and clinics covering dry-eye treatments, antibiotics, anti-allergy agents, steroids, and glaucoma and retinopathy treatments, including preservative-free eye drops such as Tearin Free and Diquafree.
QLOSI
Approved
Presbyopia eye drop in-licensed under a September 2024 exclusive Korean licence with Orasis Pharmaceuticals of the U.S.; approved by the U.S. FDA in October 2023. Korean approval has not been confirmed.
Osong Plant 1
Service
Eye-drop plant in the Osong biotech complex, Cheongju, Chungcheongbuk-do, using a one-step blow-fill-seal (BFS) system; certified KGMP in 2010 and EU GMP, CE and ISO 13485 in 2018, with annual capacity of about 470 million units after a fourth line was added in 2022.
Osong Plant 2
Service
Eye-drop plant started in August 2024 and completed in December 2025 with annual capacity of about 360 million units, bringing combined capacity with Plant 1 to about 830 million units a year.
02
Recent developments
Completion reported
Completed Osong Plant 2 in Cheongju, Chungcheongbuk-do, an eye-drop plant with annual capacity of about 360 million units.
Announced
Changed the QLOSI licence terms with Orasis Pharmaceuticals, dropping the approval-stage payment in favour of USD 2 million on Korean filing, USD 2 million at USD 40 million cumulative net sales and about USD 8.22 million at USD 80 million; the 15% royalty on net sales is unchanged.
03
Experience in official career sources
Individual vacancy
Osong Plant 2 — Production engineering
Applications observed open
Observed 2026-10-26 · Application window Date unconfirmed — 2026-11-23
Work
Runs compounding, filling and packaging of single-dose eye drops, maintains the equipment, operates manufacturing facilities and solves process problems.
Experience & requirements
Requires at least an associate degree in an engineering field such as mechanical, chemical or pharmaceutical engineering and three or more years at a pharmaceutical company; five or more years managing packaging equipment in a pharma plant and experience on a new-plant construction task force are preferred.
Individual vacancy
Osong Plant 2 — Quality control (QC), clean area
Applications observed open
Observed 2026-10-26 · Application window Date unconfirmed — 2026-11-16
Work
Manages the clean area on site, cleans and disinfects it, launders and manages cleanroom garments, and keeps logbooks.
Experience & requirements
High-school education or higher; any major and experience level. Clean-area management experience is preferred. A 12-month contract role with review for permanent conversion afterwards.
Sources & coverage 12
A brief based on selected official material, not an exhaustive product or vacancy list.
옵투스제약 ↗옵투스제약 · Published Date unconfirmed · Sources checked 2026-10-26
OPTUS Pharmaceutical ↗OPTUS Pharmaceutical · Published Date unconfirmed · Sources checked 2026-10-26
미션&비전 ↗옵투스제약 · Published Date unconfirmed · Sources checked 2026-10-26
안과사업 ↗옵투스제약 · Published Date unconfirmed · Sources checked 2026-10-26
오송1공장 ↗옵투스제약 · Published Date unconfirmed · Sources checked 2026-10-26
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