OPHTHALMOLOGIC LENS ASSEMBLY

OPHTHALMOLOGIC LENS ASSEMBLY

An ophthalmologic lens assembly includes a glass prism bonded to a meniscus lens at a posterior end of the glass prism. The glass prism is surrounded by a housing that is bonded to the meniscus lens. In one embodiment, the housing and a meniscus lens blank are processed by grinding and polishing the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GRAHAM RAYMOND D, HARRINGTON PETER G
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SURGERY
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:An ophthalmologic lens assembly includes a glass prism bonded to a meniscus lens at a posterior end of the glass prism. The glass prism is surrounded by a housing that is bonded to the meniscus lens. In one embodiment, the housing and a meniscus lens blank are processed by grinding and polishing the housing and meniscus lens blank together to form a posterior lens surface of a meniscus contact lens. In other embodiment, only the meniscus lens blank is processed by grinding and polishing to form a posterior lens surface of a meniscus contact lens.