CS275006B2 - Soft contact lens with strong negative refraction - Google Patents

Soft contact lens with strong negative refraction

Info

Publication number: CS275006B2
Authority: CS; Czechoslovakia
Prior art keywords: soft contact; contact lens; strong negative; negative refraction; lens
Prior art date: 1989-07-10

Application number

CS420589A

Other languages

English (en)

Other versions

CS8904205A1 (en

Inventor

Otto Akademik Wichterle

Jiri Ing Vodnansky

Kamil Ing Wichterle

Original Assignee

Ustav Makromolekularni Chemie

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-07-10

Filing date

1989-07-10

Publication date

1991-12-17

1989-07-10 Application filed by Ustav Makromolekularni Chemie filed Critical Ustav Makromolekularni Chemie

1989-07-10 Priority to CS420589A priority Critical patent/CS275006B2/cs

1991-02-12 Publication of CS8904205A1 publication Critical patent/CS8904205A1/cs

1991-12-17 Publication of CS275006B2 publication Critical patent/CS275006B2/cs

Links

230000003287 optical effect Effects 0.000 abstract 1
230000002093 peripheral effect Effects 0.000 abstract 1
230000007704 transition Effects 0.000 abstract 1

Landscapes

Eyeglasses (AREA)

CS420589A 1989-07-10 1989-07-10 Soft contact lens with strong negative refraction CS275006B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CS420589A CS275006B2 (en)	1989-07-10	1989-07-10	Soft contact lens with strong negative refraction

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS420589A CS275006B2 (en)	1989-07-10	1989-07-10	Soft contact lens with strong negative refraction

Publications (2)

Publication Number	Publication Date
CS8904205A1 CS8904205A1 (en)	1991-02-12
CS275006B2 true CS275006B2 (en)	1991-12-17

Family

ID=5384274

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS420589A CS275006B2 (en)	1989-07-10	1989-07-10	Soft contact lens with strong negative refraction

Country Status (1)

Country	Link
CS (1)	CS275006B2 (cs)

1989
- 1989-07-10 CS CS420589A patent/CS275006B2/cs not_active IP Right Cessation

Also Published As

Publication number	Publication date
CS8904205A1 (en)	1991-02-12

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Legal Events

Date	Code	Title	Description
2000-06-30	IF00	In force as of 2000-06-30 in czech republic
2002-03-13	MM4A	Patent lapsed due to non-payment of fee	Effective date: 20010710