Common Pitfalls & How to Avoid Them Part Two

Schneider, Steve
April 2007
LabTalk;Apr/May2007, Vol. 35 Issue 156, p10
Trade Publication
The article focuses on fining and polishing of all lens materials and how to clean the lens after processing. The author mentions that base pads should be examined for damage or wear every time the lap tool is used because it will have a direct effect on the performance of the fining or polishing process. The author adds that it is necessary that the polish is filtered and kept at a consistent temperature.


Related Articles

  • Lens Coatings: Start from Scratch! Laspina, Leah // Review of Optometry;9/15/2007 Part 1 of 2, Vol. 144 Issue 9, p46 

    The article provides information on the best services an optometrist can offer to his patient. In this context, the author offers lens treatments and coatings to teach patients how their lenses can help them even more. It has been mentioned that scratch-resistant coatings are basic fare for an...

  • Direct Surfacing. Young, Steele // LabTalk;Mar/Apr2008, Vol. 36 Issue 159, p22 

    The article examines whether direct surfacing of ophthalmic lenses is better than conventional processing. The steps in conventional processing of lenses include generating through the rough geometry using a milling technique, then fine grinding the surface to final form and readying the surface...

  • Buffing Hints.  // Products Finishing;Nov97, Vol. 62 Issue 2, p50 

    Presents several tips for polishing and buffing. Basic buffing motions; Significance of the buff and center diameters; Reason for using a biased-type buff.

  • Buffing Compound Application Methods. Borrosch, Greg // Products Finishing;Apr2003, Vol. 67 Issue 7, p60 

    Focuses on two types of buffing compounds, solid bar compound and liquid buffing compound. Application areas of solid bar compound and liquid buffing compound; Method of application of liquid buffing compound; Advantages of using high pressure system in liquid buffing compound.

  • Processing Trivex. Cross, Keith // LabTalk;Jul/Aug2008, Vol. 36 Issue 161, p18 

    In this article, the author discusses the difficulty in processing Trivex lens materials. According to the author, laboratory managers often had to guess as to which process setting they used based on the specific type of equipment they had. He offers some strategies for blocking, generating,...

  • Coating helps keep AR lenses cleaner.  // Ophthalmology Times;4/15/2006, Vol. 31 Issue 8, p72 

    The article evaluates Crizal Alizé with Clear Guard, the enhanced version of the Crizal Alizé anti-reflective coating from Essilor of America Inc., and offers information on the distinct features and capabilities of the anti-reflective coating.

  • NEEDS BASED SOLUTIONS - LENSES.  // 20/20;Aug2008, Vol. 35 Issue 9, Special section p22 

    The article offers issues and topics related to lenses in the U.S. Progressive lenses are those which front surface steepens towards the bottom and creates a gradual increase in plus power. When providing the clearest vision to a patient, anti-reflective (AR) lenses are critical in providing...

  • Effect analysis of the residual error evaluation method used in bonnet polishing process for aspheric lens.  // International Journal of Advanced Manufacturing Technology;Dec2013, Vol. 69 Issue 9-12, p2505 

    The purpose of this paper is to investigate the effect of the residual error evaluation method used in bonnet polishing (BP) process to the axisymmetric aspheric surface accuracy. In the past, few attentions have been paid to the normal direction error (NE) of the aspheric surface, not to...

  • LENS MANUFACTURE AND DESIGN. Anstis, A. Howard // British Kinematography;Feb1949, Vol. 14 Issue 2, p37 

    The article provides information on lens manufacture and design. Camera and projection lenses are either concave or convex in form and are made of optical elements. The lens designer uses various types of optical glass in creating lenses. The components of optical glass are mentioned, as well as...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics