Tính năng rõ ràng giữa vết rõ ràng và theo dõi, hầu như không cảm nhận được, dễ dàng nhìn thấy đèn sương mù khói mù khe nhẹ trung bình, phát âm, mống mắt vẫn còn nhìn thấy chi tiết, AC phản ứng không thể nhìn thấy khói mù đánh dấu, để lại sẹo, mống mắt chi tiết che khuất lớp | 68 Chapter 5 TABLE 5-3 Grading Corneal Haze Feature Grade Clear 0 Between clear and trace barely perceptible Trace easily seen with slit lamp 1 Mild haze 2 Moderate haze pronounced iris details still visible AC reaction not visible 3 Marked haze scarring iris details obscured 4 Adapted with permission from Stein HA Cheskes AT Stein RM. The Excimer Fundamentals and Clinical Use. Thorofare NJ SLACK Incorporated 1995. OphT CL OphT CL edema see Figure 5-3 - using a narrow beam the corneal section looks larger thicker than usual. The surface may appear to have bubbles or folds. Cornea may look cloudy. Doc note describe location epithelial or stromal grade Table 5-3 draw filaments - tiny spiral strands that are attached at one end to the corneal epithelium. They stain with fluorescein or rose bengal. Doc note give location estimate number draw Fleischer ring - an epithelial iron ring that is incident with the base of the corneal cone in keratoconus best viewed with red-free filter. Doc note draw foreign body - anything that does not naturally belong on in the cornea. Doc note identify if possible give location draw ghost vessels - abnormal corneal vessels that have subsided ie are no longer filled with blood . Doc note give location by the clock draw guttata Figure 5-10 - tiny brown dots on back surface of cornea generally concentrated centrally and in a uniform pattern. Appear as holes when using specular reflection. Doc note grade 1 to 4 Hudson-Stahli line - a thin black horizontal iron line on the corneal epithelium at the approximate place where the upper and lower lids meet when the eye is closed nicely viewed with red-free filter. Doc note draw infiltrates Figure 5-11 - whitish cloud within the corneal tissue under the epithelium often surrounding an ulcer or foreign body. They are actually white blood cells that have entered the cornea to fight infection. If they do not stain they are not infections and thus termed sterile. If there is stain then they are .
