Effect of laser peripheral iridotomy on contrast sensitivity using Spaeth/Richman Contrast Sensitivity test.

Background: Laser peripheral iridotomy (LPI) is the current standard of care for primary angle-closure glaucoma. The existing literature lacks evidence regarding the effects of LPI on contrast sensitivity (CS) after the procedure. Objective: This study evaluates central and peripheral CS in patients...

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Publicado en:Therapeutic Advances in Ophthalmology pp. 1 - 9
Autores principales: Ichhpujani, Parul, Thakur, Sahil, Singh, Tanu, Singh, Rohan Bir, Kumar, Suresh
Formato: pictorial research tables/charts Journal Article
Publicado: Sage Publications Inc. 3/2/2022
Acceso en línea:Ver este registro en EBSCOhost
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      dt: 3/2/2022
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      pub: Sage Publications Inc.
      place: Thousand Oaks, California
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        atl: Effect of laser peripheral iridotomy on contrast sensitivity using Spaeth/Richman Contrast Sensitivity test.
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        au:
          Ichhpujani, Parul
          Thakur, Sahil
          Singh, Tanu
          Singh, Rohan Bir
          Kumar, Suresh
        affil: Conceptualization, Professor, Department of Ophthalmology, Government Medical College & Hospital, Sector-32, Chandigarh, India
      sug:
        subj:
          Laser Therapy Methods
          Glaucoma, Angle-Closure Surgery
          Vision Tests Methods
          Treatment Outcomes
          Human
          Male
          Female
          Adult
          Middle Age
          Pilot Studies
          Prospective Studies
          Descriptive Statistics
          Adult: 19-44 years
          Middle Aged: 45-64 years
          Male
          Female
      ab: Background: Laser peripheral iridotomy (LPI) is the current standard of care for primary angle-closure glaucoma. The existing literature lacks evidence regarding the effects of LPI on contrast sensitivity (CS) after the procedure. Objective: This study evaluates central and peripheral CS in patients undergoing LPI using the computer-based, Spaeth/Richman Contrast Sensitivity (SPARCS) test. Methods: We performed a pilot, prospective, interventional cohort study including 30 patients of primary angle-closure suspect (PACS) or primary angle closure (PAC) in both eyes. LPI was performed after a detailed history and clinical examination using standard procedure in all eyes. Intraocular pressure (IOP) and CS testing using SPARCS was performed before, 2 weeks and 3 months after LPI. Results: Data analyses revealed female predominance (66.67%, 20/30); the mean age of enrolled patients was 49.93 ± 10.43 years, and presenting acuity was 0.02 ± 0.06 (Log of Minimum Angle of Resolution [LogMAR]). The mean vertical cup-to-disc ratio (VCDR), mean deviation (MD in dB) and pattern standard deviation (PSD in dB) were 0.34 ± 0.09, –2.36 ± 1.72 and 2.34 ± 0.81, respectively. There was a statistically significant decrease between the pre- (15.17 ± 3.83 mmHg) and 2 weeks post-LPI (11.70 ± 1.53 mmHg) IOP (p < 0.001). However, CS in the pre- (73.47 ± 9.88) and 3 months post-LPI (75.20 ± 11.98) SPARCS scores did not reveal any statistical difference. The group-wise analysis showed a similar trend between PAC and PACS patients. Conclusion: LPI does not affect central as well as peripheral CS assessment in patients with the primary angle-closure disease.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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