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1)  wide scleral buckling surgery
巩膜宽环扎术
2)  scleral broad encircling
巩膜宽带环扎术
1.
Stereoscopic measurement of the eyeball following scleral broad encircling;
巩膜宽带环扎术后眼球三维形态的测量
3)  scleral buckling
巩膜环扎术
1.
A study on posterior corneal surface after scleral buckling surgery for retinal detachment;
视网膜脱离巩膜环扎术后早期角膜后表面改变
4)  scleral buckling
巩膜环扎
1.
Clinic Research on the Effect of Vitrectomy Combining with Circumferential Scleral Buckling for Treating Patients with Closed Globe Injury Combined with Retinal Detachment
玻璃体切除联合巩膜环扎术治疗严重闭合性眼伤伴视网膜脱离的临床研究
2.
Objective:To study the effect and complications of cataract extraction with IOL after retinal detachment(RD)repair by the scleral buckling surgery.
目的 :探讨视网膜脱离行巩膜环扎术后白内障摘除联合人工晶状体植入术的效果和并发症。
5)  scleral buckling
巩膜环扎外加压术
1.
Objective To investigate corneal refractive changes after scleral buckling surgery.
目的探讨巩膜环扎外加压术后角膜前表面屈光性状改变的规律。
6)  Scleral operation
巩膜手术
补充资料:安哥拉宽扎

安哥拉宽扎简介

ISO 4217 Code:AOA

User(s):Angola

Inflation:13.2%

Source:The World Factbook, 2006 est.

Subunit:1/100 centimo

Symbol:Kz

Coins:

Freq. used:1, 2, 5 kwanzas

Rarely used:10, 50 centimos

Banknotes:1, 5, 10, 50, 100, 200, 500, 1000, 2000 kwanzas

Central bank:Banco Nacional de Angola

Website:http://www.bna.ao

The kwanza (ISO currency code: AOA, abbreviation also: Kz) is the currency of Angola.

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History

Four different currencies using the name kwanza have circulated since 1977.

Start DateFinish DateCurrency UnitSub UnitNotes
8 January 197724 September 1990Kwanza100 lwei1 kwanza = 1 Angolan escudo
25 September 199030 June 1995Novo kwanza (AON)none1 novo kwanza = 1 kwanza
1 July 199530 November 1999Kwanza reajustado (AOR)none1 kwanza reajustado = 1000 novos kwanzas
1 December 1999presentKwanza (AOA)100 centimos1 kwanza = 1,000,000 kwanzas reajustados

First Kwanza, 1977-1990

The kwanza was introduced following Angolan independence. The first banknotes were dated 1976 but not issued until 1977. Coins were issued in denominations ranging from 50 lwei to 100 kwanzas. Interestingly, some of the coins were issued witout dates of issue, although all bore the date of independence, 11 November 1973. The last date to appear on coins was 1979.

Novo Kwanza, 1990-1995

The first banknotes were overprints on earlier notes and the denomination was given as novo kwanza. Later banknotes dropped the word novo. Angolans could only exchange 5% of all old notes for new ones; they had to exchange the rest for government securities. This kwanza suffered from high inflation.

Kwanza Reajustado, 1995-1999

Although the exchange rate to the previous kwanza was 1000 to one, such was the low value of the old kwanza that the smallest denomination of banknote issued was 1000 kwanza reajustado. The inflation continued with denominations reaching 5 million kwanza reajustado. No coins were issued.

Second Kwanza, 1999-

The introduction of this currency saw the reintroduction of coins. Although it suffered early on from high inflation, its value has now stabilized.

Coins

Coins in 10 and 50 centimos denominations aren't used any more, as the values are minuscule.

Banknotes

Banknotes are quite similar with only different colours separating them.

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Historical exchange rates

This table shows the historical value of one U.S. dollar in Angola kwanzas:
DateCurrency code and NameRate
1994AON novo kwanza34,200 to 850,000
Jan to Jun 1995AON novo kwanza1,000,000 to 2,100,000
1 July 19951000 AON -> 1 AOR (kwanza reajustado)
Jul to Dec 1995AOR kwanza reajusto2,100 to 13,000
1996AOR kwanza reajusto13,000 to 210,000 to 194,000
1997AOR kwanza reajusto194,000 to 253,300
1998AOR kwanza reajusto253,300 to 594,000
1999AOR kwanza reajusto594,000 to 5,400,000
1 December 19991 million AOR -> 1 AOA (kwanza)
2000AOA kwanza5.4 to 16.3
2001AOA kwanza16.3 to 31.12
2002AOA kwanza31.12 to 57.47
2003AOA kwanza57.47 to 86.88 to 78.61
2004AOA kwanza78.61 to 85.90
2005AOA kwanza85.90 to 88.97 to 80.58
2006AOA kwanza80.58 to -

Angola's curre

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