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  2. Slit lamp - Wikipedia

    en.wikipedia.org/wiki/Slit_lamp

    Eye examination with the aid of a slit lamp. Side view of a slit lamp machine. Cataract in human eye: magnified view seen on examination with the slit lamp. In ophthalmology and optometry, a slit lamp is an instrument consisting of a high-intensity light source that can be focused to shine a thin sheet of light into the eye.

  3. Topcon - Wikipedia

    en.wikipedia.org/wiki/Topcon

    TOPCON was established in September 1932 [4] based the merger of the surveying instruments division of K. Hattori & Co., Ltd. (now known as Seiko Holdinge Corporation) in order to manufacture the optical instruments for the Japanese Army.

  4. Sri Lankan commemorative coins - Wikipedia

    en.wikipedia.org/wiki/Sri_Lankan_commemorative_coins

    Sri Lanka Customs Commemorative coin Silver 10.50 2008 1000 60th Anniversary of the Sri Lanka Army 28.50 Silver 11.90 2009 1000 60th Anniversary of the Sri Lanka Army 28.50 Cu-Ni 8.25 2009 5000 60th Anniversary Central Bank of Sri Lanka [2] Central Bank Crest A tree depicting the growth and the stability of Sri Lanka's economy 38.61 Silver 28.28

  5. Rupee - Wikipedia

    en.wikipedia.org/wiki/Rupee

    The rupee coin has been used since then, even during British India, when it contained 11.66 g (1 tola) of 91.7% silver with an ASW of 0.3437 of a troy ounce [21] (that is, silver worth about US$10 at modern prices). [22] Valuation of the rupee based on its silver content had severe consequences in the 19th century, when the strongest economies ...

  6. Banknotes of the Sri Lankan rupee - Wikipedia

    en.wikipedia.org/wiki/Banknotes_of_the_Sri...

    From 1977, banknotes were issued by the Central Bank of Sri Lanka. 20 rupees notes were introduced in 1979, followed by 500 and 1000 rupees in 1981, 200 rupees in 1998 and 2000 rupees in 2006. Sri Lankan banknotes are unusual in that they are printed vertically on the reverse.

  7. Central Bank of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Central_Bank_of_Sri_Lanka

    The Central Bank of Sri Lanka (abbr. CBSL; Sinhala: ශ්‍රී ලංකා මහ බැංකුව, romanized: Sri Lanka Maha Bankuwa) is the monetary authority of Sri Lanka. It was established in 1950 under the Monetary Law Act No.58 of 1949 (MLA) and in terms of the Central Bank of Sri Lanka Act No. 16 of 2023, the CBSL is a body ...

  8. All Share Price Index - Wikipedia

    en.wikipedia.org/wiki/All_Share_Price_Index

    It is based on market capitalisation. Weighting of shares is conducted in proportion to the issued ordinary capital of the listed companies, valued at current market price (i.e. market capitalisation). The base year is 1985, and the base value of the index is 100. This is the longest and the broadest measure of the Sri Lankan Stock market.

  9. Ceylon Today - Wikipedia

    en.wikipedia.org/wiki/Ceylon_Today

    Ceylon Today is an English language Sri Lankan daily newspaper published by Ceylon Newspapers (Private) Limited. It was founded in 2011 and is published from Colombo. Its sister newspaper is the Mawbima. Ceylon Newspapers (Private) Limited is owned by politician Tiran Alles. [1]