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  1. Article ; Online: Blinding associations of keratoconus.

    Deshmukh, Rashmi / Das, Anthony V / Vaddavalli, Pravin K

    Indian journal of ophthalmology

    2023  Volume 71, Issue 3, Page(s) 1050–1051

    MeSH term(s) Humans ; Keratoconus/complications ; Blindness/etiology
    Language English
    Publishing date 2023-03-21
    Publishing country India
    Document type Letter
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/IJO.IJO_2502_22
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Clinical and demographic profile of herpes zoster ophthalmicus: A hospital-based study of 1752 Indian patients.

    Rathi, Anubha / Das, Anthony V / Ramappa, Muralidhar

    Indian journal of ophthalmology

    2024  

    Abstract: Purpose: To describe the clinical and demographic profile of herpes zoster ophthalmicus (HZO) in patients presenting to a multitier ophthalmology hospital network in India.: Methods: Cross-sectional hospital-based study included 3,004,470 new ... ...

    Abstract Purpose: To describe the clinical and demographic profile of herpes zoster ophthalmicus (HZO) in patients presenting to a multitier ophthalmology hospital network in India.
    Methods: Cross-sectional hospital-based study included 3,004,470 new patients between August 2010 and October 2021. Patients with a clinical diagnosis of HZO in at least one eye were included. Data were collected using an electronic medical record system.
    Results: In total, 1,752 (0.058%) patients were diagnosed with HZO. Nearly two-thirds were male (63.76%) in the seventh decade of life (339;19.35% patients) with unilateral (98.34%) affliction. Higher prevalence was seen in patients from higher socioeconomic status (0.059%) and metropolitan geography (0.062%). Most common ocular signs included eyelid edema (44.19%), conjunctival congestion (65.69%), punctate keratopathy (23.36%), and anterior uveitis (21.22%). Of the 1,781 eyes, mild/no visual impairment was seen in 952 (53.45%) eyes, moderate in 258 (14.49%) eyes, and severe to blindness in 363 (20.39%) eyes. Oral antivirals were started within 72 h (Group A) in 361 (20.61%) patients and after 72 h in 1391 (79.39%) patients (Group B). Significantly lesser severity of ocular involvement was noted in Group A (P < 0.00001). Surgical intervention was required in 211 (11.85%) eyes.
    Conclusion: HZO more commonly affects males in the seventh decade of life and is predominantly unilateral. It more commonly affects those from higher socioeconomic strata and metropolitan regions. Half of the eyes have mild or no visual impairment, while others have moderate to severe impairment. Institution of antivirals within 72 h is associated with less severe involvement. Surgical intervention is warranted in a tenth of the eyes.
    Language English
    Publishing date 2024-03-08
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/IJO.IJO_2634_23
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Impact of follow-up of COVID-19 vaccine uptake in patients with ocular surface diseases: A survey.

    Das, Anthony V / Basu, Sayan

    Indian journal of ophthalmology

    2021  Volume 69, Issue 12, Page(s) 3774–3775

    MeSH term(s) COVID-19 ; COVID-19 Vaccines ; Follow-Up Studies ; Humans ; SARS-CoV-2 ; Surveys and Questionnaires
    Chemical Substances COVID-19 Vaccines
    Language English
    Publishing date 2021-12-15
    Publishing country India
    Document type Letter
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/ijo.IJO_2582_21
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Clinical profile, demographic distribution, and management of Posner-Schlossman syndrome: An electronic medical record-driven data analytics from an eye care network in India.

    Warjri, Gazella B / Das, Anthony V / Senthil, Sirisha

    Indian journal of ophthalmology

    2023  Volume 72, Issue 3, Page(s) 347–351

    Abstract: Purpose: To describe the clinical profile, demographics, and management of Posner-Schlossman syndrome (PSS) in patients presenting to a multitier ophthalmology hospital network in India.: Methods: This cross-sectional hospital-based study included 3, ... ...

    Abstract Purpose: To describe the clinical profile, demographics, and management of Posner-Schlossman syndrome (PSS) in patients presenting to a multitier ophthalmology hospital network in India.
    Methods: This cross-sectional hospital-based study included 3,082,727 new patients presenting between August 2010 and December 2021. Patients with a clinical diagnosis of PSS in at least one eye were included as cases. The data were collected using an electronic medical record system.
    Results: Overall, 130 eyes of 126 (0.004%) patients were diagnosed with PSS. The majority of the patients were male (81.75%) and had unilateral (96.83%) affliction. The most common age group at presentation was during the fourth decade of life, with 46 (36.5%) patients. The overall prevalence was higher in patients from a higher socioeconomic status (0.005%) presenting from the metropolitan geography (0.008%) and in professionals (0.014%). A significant number of patients (108; 83.08%) had a raised intraocular pressure of >30 mm of Hg. The majority of the eyes had mild or no visual impairment (better than 20/70) in 99 (76.15%) eyes. Keratic precipitates were found in 59 (45.38%) eyes, anterior chamber cells in 43 (33.08%) eyes, and iris atrophy in seven (5.38%) eyes. The majority of eyes (127; 97.69%) had open angles on gonioscopy. The average duration of use of topical steroids was 1.70 ± 0.76 months, and the average duration of use of topical antiglaucoma medications (AGMs) was 1.66 ± 0.81 months, with 35 eyes (26.92%) requiring continued AGMs. Among the surgical interventions, trabeculectomy was performed in nine (6.92%) eyes and cataract surgery in five (3.85%) eyes.
    Conclusion: PSS more commonly affects males presenting during the fourth decade of life from higher socioeconomic status and is predominantly unilateral. The majority of the eyes have mild or no visual impairment, open angles, and require surgical intervention in a tenth of the eyes.
    MeSH term(s) Humans ; Male ; Female ; Data Science ; Electronic Health Records ; Cross-Sectional Studies ; Intraocular Pressure ; Glaucoma, Open-Angle/surgery ; Iridocyclitis ; Trabeculectomy ; Demography ; India/epidemiology
    Language English
    Publishing date 2023-12-26
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/IJO.IJO_657_23
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Ocular and Periocular Tumors in India: An EyeSmart Electronic Medical Record Analysis of 9633 Cases from a Referral Center.

    Kaliki, Swathi / Das, Anthony V

    Middle East African journal of ophthalmology

    2021  Volume 27, Issue 4, Page(s) 199–203

    Abstract: Purpose: To describe the epidemiology of ocular and periocular tumors in patients presenting to a multi-tier ophthalmology hospital network in India using the electronic medical records (EMRs) system.: Methods: A retrospective, observational, ... ...

    Abstract Purpose: To describe the epidemiology of ocular and periocular tumors in patients presenting to a multi-tier ophthalmology hospital network in India using the electronic medical records (EMRs) system.
    Methods: A retrospective, observational, referral, hospital-based study of 1,142,098 patients. The data were collected using the in-house developed EyeSmart EMR system.
    Results: During a 6-year study period, 9633 (0.8%) new patients were diagnosed with eye tumors. Of the 9633 patients, 5209 (54%) were male and 4424 (46%) were female. Of all tumors, 6372 (65%) were benign, 282 (3%) were pre-malignant, and 3089 (32%) were malignant in nature, respectively. Overall, the three most common tumors included retinoblastoma (
    Conclusions: The present study results indicate the incidence and distribution of ocular and periocular tumors in a large cohort in India. Retinoblastoma is the most common tumor encountered in a referral-based comprehensive ophthalmic oncology practice in India. The use of EMRs enables to capture the structured information and big data analysis of the same.
    MeSH term(s) Adenocarcinoma, Sebaceous/epidemiology ; Adenocarcinoma, Sebaceous/pathology ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Child, Preschool ; Electronic Health Records/statistics & numerical data ; Eye Neoplasms/epidemiology ; Eye Neoplasms/pathology ; Eyelid Neoplasms/epidemiology ; Eyelid Neoplasms/pathology ; Female ; Humans ; Incidence ; India/epidemiology ; Infant ; Male ; Middle Aged ; Referral and Consultation ; Retinal Neoplasms/epidemiology ; Retinal Neoplasms/pathology ; Retinoblastoma/epidemiology ; Retinoblastoma/pathology ; Retrospective Studies ; Young Adult
    Language English
    Publishing date 2021-01-19
    Publishing country India
    Document type Journal Article
    ZDB-ID 2545467-5
    ISSN 0975-1599 ; 0975-1599
    ISSN (online) 0975-1599
    ISSN 0975-1599
    DOI 10.4103/meajo.MEAJO_275_19
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Year one of COVID-19 pandemic: Effect of lockdown and unlock phases on cataract surgery at a multi-tier ophthalmology network.

    Das, Anthony V / Reddy, Jagadesh C

    Indian journal of ophthalmology

    2021  Volume 69, Issue 10, Page(s) 2818–2823

    Abstract: Purpose: To describe the impact of lockdown and unlock phases of the COVID-19 pandemic on cataract surgery at a multitier ophthalmology network.: Methods: This cross-sectional hospital-based study included 106,279 eyes operated between March 23, 2019 ...

    Abstract Purpose: To describe the impact of lockdown and unlock phases of the COVID-19 pandemic on cataract surgery at a multitier ophthalmology network.
    Methods: This cross-sectional hospital-based study included 106,279 eyes operated between March 23, 2019 and March 31, 2021. The data of patients who underwent cataract surgery presenting during the lockdown and unlock phases were compared with the respective periods in the previous year before COVID-19.
    Results: The cataract surgeries performed decreased to 5.6% (839/14,994) of pre-COVID-19 volumes during the lockdown phase. There was a gradual recovery of the cataract surgeries performed to 86.7% of pre-COVID-19 volumes by May 2020 and exceeded by 17.9% by September 2020. There was a decrease in the number of women who underwent cataract surgery during the lockdown phase (49.11%) compared to the pre-COVID-19 (52.59%) or unlock phase (52.29%, P < 0.001). Patients operated during the lockdown phase were younger when compared to other groups (P < 0.001). The mean LogMAR presenting visual acuity at the time of surgery was worse in patients operated during the lockdown phase (1.84 ± 1.16) as compared to pre-COVID-19 (1.39 ± 1.05) and unlock phases (1.51 ± 1.08, P =<0.001). The proportion of patients with total cataracts were higher during the lockdown and unlock phases compared to the pre-COVID-19 phase (P < 0.001).
    Conclusion: The first year of the COVID-19 pandemic saw a drastic reduction in the surgical volume in the lockdown phase, which recovered quickly during the unlock period. Patients of younger age, male gender, poor presenting visual acuity, denser cataracts, and living close to the surgical center were able to access surgical care due to lockdown restrictions.
    MeSH term(s) COVID-19 ; Cataract/epidemiology ; Communicable Disease Control ; Cross-Sectional Studies ; Female ; Humans ; Male ; Ophthalmology ; Pandemics ; SARS-CoV-2
    Language English
    Publishing date 2021-09-04
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/ijo.IJO_1568_21
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Clinical profile and demographic distribution of ophthalmia nodosa: An electronic medical record-driven big data analytics from a multitier eye care network.

    Das, Anthony V / Venugopal, Ragukumar / Reddy, Jagadesh C

    Indian journal of ophthalmology

    2022  Volume 70, Issue 9, Page(s) 3266–3271

    Abstract: Purpose: To describe the demographics and clinical profile of ophthalmia nodosa in patients presenting to a multitier ophthalmology hospital network in India.: Methods: This cross-sectional, hospital-based study included 3,082,727 new patients ... ...

    Abstract Purpose: To describe the demographics and clinical profile of ophthalmia nodosa in patients presenting to a multitier ophthalmology hospital network in India.
    Methods: This cross-sectional, hospital-based study included 3,082,727 new patients presenting between August 2010 and December 2021. Patients with a clinical diagnosis of ophthalmia nodosa in at least one eye were included as cases. The data were collected using an electronic medical record system.
    Results: Overall, 434 (0.014%) patients were diagnosed with ophthalmia nodosa. Most of the patients were male (71.43%) and had unilateral (97.7%) affliction. The most common age group at presentation was during the third decade of life with 116 (26.73%) patients. The overall prevalence was higher in patients from a higher socioeconomic status (0.015%) presenting from the urban geography (0.019%) and in professionals (0.027%). The setae were identified and removed at presentation in 287 (66.13%) patients. The most common location of the setae was conjunctiva (45.72%) followed by cornea (39.64%). Most of the eyes (355; 79.95%) had mild or no visual impairment (<20/70). The most documented ocular signs were eye lid edema (35.81%), conjunctival congestion (73.87%), and corneal abrasion (29.05%). Less than one-tenth of the eyes required a surgical intervention for removal of the setae, corneal foreign body removal was performed in 10 (2.25%) eyes and conjunctival foreign body removal in four (0.90%) eyes.
    Conclusion: Ophthalmia nodosa more commonly affects males presenting during the third decade of life and is predominantly unilateral. The setae are most commonly lodged in the conjunctiva followed by the cornea, and the majority of the eyes have mild or no visual impairment.
    MeSH term(s) Cross-Sectional Studies ; Data Science ; Electronic Health Records ; Endophthalmitis ; Eye Foreign Bodies ; Eye Infections, Parasitic ; Female ; Hair ; Humans ; Keratoconjunctivitis ; Male ; Prevalence
    Language English
    Publishing date 2022-09-20
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/ijo.IJO_335_22
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Clinical profile and demographic distribution of band shaped keratopathy in India: A study of 8801 patients.

    Das, Anthony V / Pillutla, Lalitha N / Chaurasia, Sunita

    Indian journal of ophthalmology

    2022  Volume 70, Issue 5, Page(s) 1582–1585

    Abstract: Purpose: To describe the clinical profile and demographic distribution of band-shaped keratopathy (BSK) in patients presenting to a multitier ophthalmology hospital network in India.: Methods: This cross-sectional hospital-based study included 2,664, ... ...

    Abstract Purpose: To describe the clinical profile and demographic distribution of band-shaped keratopathy (BSK) in patients presenting to a multitier ophthalmology hospital network in India.
    Methods: This cross-sectional hospital-based study included 2,664,906 new patients presenting between January 2011 and January 2021 (10-year period). Patients with a clinical diagnosis of BSK in at least one eye were included as cases. The data were collected using an electronic medical record system.
    Results: Overall, 8801 (0.33%) patients were diagnosed with BSK. The prevalence rates were 0.47% in children (age: <16 years) and 0.31% in adults. The majority of patients were males (62.87%) with unilateral affliction (85.21%). The mean age of the patients was 40.43 ± 23.14 years. The majority (16.93%) of the patients were in the age bracket of 11-20 years. A larger proportion of the patients were from higher socioeconomic status (60.46%) and the urban region (45.9%). Of the 10,103 eyes affected with BSK, the common ocular comorbidities were status post-vitreoretinal surgery (20.55%) and uveitis (12.7%) in children and corneal scar (41.23%) and spheroidal degeneration (13.7%) in adults. Most of the eyes had mild or no visual impairment (24.74%). Among the eyes that needed surgical intervention, chelation with ethylenediaminetetraacetic acid (EDTA) was the most performed surgical procedure (1.68%) along with phototherapeutic keratectomy (0.32%).
    Conclusion: BSK commonly affects adult males and is unilateral in nature. The majority of the patients in this cohort belonged to higher socioeconomic strata and urban geography. At initial presentation, visual impairment was mild to moderate in a vast majority of the patients, and the most common surgical intervention performed was chelation with EDTA during the study period.
    MeSH term(s) Adolescent ; Adult ; Chelating Agents/therapeutic use ; Child ; Corneal Dystrophies, Hereditary/diagnosis ; Cross-Sectional Studies ; Demography ; Edetic Acid/therapeutic use ; Female ; Humans ; Male ; Middle Aged ; Retrospective Studies ; Vision, Low/drug therapy ; Visual Acuity ; Young Adult
    Chemical Substances Chelating Agents ; Edetic Acid (9G34HU7RV0)
    Language English
    Publishing date 2022-05-02
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/ijo.IJO_2541_21
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Epidemic Keratoconjunctivitis in India: Trend Analysis and Implications for Viral Outbreaks.

    Das, Anthony V / Basu, Sayan

    Indian journal of ophthalmology

    2020  Volume 68, Issue 5, Page(s) 732–736

    Abstract: Purpose: To describe the correlation between the temporal pattern of presentation of acute epidemic keratoconjunctivitis (EKC) of presumed adenoviral etiology with meteorological parameters such as environmental temperature, rainfall, humidity, and wind ...

    Abstract Purpose: To describe the correlation between the temporal pattern of presentation of acute epidemic keratoconjunctivitis (EKC) of presumed adenoviral etiology with meteorological parameters such as environmental temperature, rainfall, humidity, and wind speed.
    Methods: This cross-sectional hospital-based study included 2,408,819 patients presenting between August 2010 and February 2020. Patients with a clinical diagnosis of EKC in at least one eye were included as cases. A smaller cohort of patients with acute (≤1 week) presentation hailing from the district of Hyderabad during the calendar years 2016-2019 was used to perform correlation analysis with the local environmental temperature, rainfall, humidity, and wind speed (data obtained from the Telangana State Development and Planning Society).
    Results: Overall, 21,196 (0.87%) patients were diagnosed with EKC, of which 19,203 (90.6%) patients had acute onset; among which the cohort from the district of Hyderabad included 1,635 (8.51%) patients. The mean monthly prevalence in this cohort was 0.89% with a peak prevalence in April (1.09%). The environmental parameters of rainfall (r
    Conclusion: Contrary to popular belief, epidemic viral infections like EKC may not be affected by temperature, but rather by a complex interplay of other environmental factors such as humidity, rainfall, and wind speed. An increase in rainfall, wind speed, and humidity contributes to a lower prevalence of EKC cases during the year.
    MeSH term(s) Adenovirus Infections, Human ; Adolescent ; Adult ; Cross-Sectional Studies ; Disease Outbreaks ; Epidemics ; Female ; Humans ; India/epidemiology ; Keratoconjunctivitis/diagnosis ; Keratoconjunctivitis/epidemiology ; Male ; Middle Aged ; Young Adult
    Keywords covid19
    Language English
    Publishing date 2020-04-21
    Publishing country India
    Document type Journal Article
    ZDB-ID 187392-1
    ISSN 1998-3689 ; 0301-4738
    ISSN (online) 1998-3689
    ISSN 0301-4738
    DOI 10.4103/ijo.IJO_626_20
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Effect of COVID-19 Pandemic on Presentation of Patients With Diabetic Retinopathy in a Multitier Ophthalmology Network in India.

    Das, Anthony V / Narayanan, Raja / Rani, Padmaja K

    Cureus

    2021  Volume 13, Issue 10, Page(s) e19148

    Abstract: Objective: This study aimed to describe the demographics and clinical profile of patients with diabetic retinopathy (DR) presenting during the novel coronavirus disease 2019 (COVID-19) lockdown and unlock phases in India.: Methods: This hospital- ... ...

    Abstract Objective: This study aimed to describe the demographics and clinical profile of patients with diabetic retinopathy (DR) presenting during the novel coronavirus disease 2019 (COVID-19) lockdown and unlock phases in India.
    Methods: This hospital-based cross-sectional study included patients presenting from March 25, 2019, to March 31, 2021. All patients who presented with DR were included as cases. The data were collected using an electronic medical record system.
    Results: In total, 88,012 patients diagnosed with retinal diseases were presented to the network and included for analysis. There were 21,271 (24%) DR patients during the study period and the majority were men (71%) from the urban area (45%). An increasing number of patients with proliferative DR (56%), sight-threatening DR (79%), need for vitreoretinal procedures (31%), and intravitreal injections (19%) were seen during the lockdown (phase one-four). There was a significant increase in the number of patients with blindness in pre-lockdown (20%), lockdown (32%), and post-lockdown (26%). Patterns of sight-threatening DR and blindness were similar in both fresh and follow-up patients.
    Conclusion: The presentation of DR patients in hospital is evolving because of the COVID-19 pandemic. The footfalls of patients during the unlock (phase 1-10) regained to two-thirds of the pre-COVID-19 level. There was an increase in patients with sight-threatening DR and the need for vitreoretinal surgery and intravitreal injections during the lockdown (phase 1-4).
    Language English
    Publishing date 2021-10-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.19148
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